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MIME represents Multipurpose Internet Mail Extensions. Originally that it was intended as extension of e-mail standard making sure that people are able to use different character encodings and send non-text attachments like pictures, videos, office documents etc. Over time MIME standard became traditionally used in WWW to specify content type being transfered by HTTP protocol.
collects and catalogs mapping between strings which can be used to spot different content types and applications and file extensions linked to that type. We try to help keep the most complete mime type database online. If you dont see some mime-type in this database, you'll be able to submit it for inclusion
collects and catalogs mapping between strings that happen to be used to name different content types and applications and file extensions related to that type. We try to take care of the most complete mime type database on-line. If you dont see some mime - type within our database, it is possible to submit it for inclusion
The MIME type application/pdf is familiar with indicate the use of a PDF file in the message. As the name suggests, the this MIME type falls inside the category of applications that covers many executable and non-executable file types across many different platforms. The PDF file type is often a format used in transmitting documents. It is called Portable Document Format and it had been developed by Adobe Systems for simple document exchange.
This file type is emphatically used in its uniformity across various platforms. It got its start to be self-contained with the necessary information of your document. PDF files were made to display two-dimensional documents in the uniform manner across platforms, separate from both hardware and software. It was originally a proprietary format but the International Organization for Standardization caused it to be an open standard on 1 July 2008. Since then it is utilized in a number of softwares. The PDF document format is renowned for its advanced safety measures. It is one of one of the most secure means of transmitting documents above the Internet. The in-built security measures enable that it is password protected and encrypted, which are not feasible for other standard document formats just like the DOC along with the LIT formats.
To fix mime application errors it is useful to see if there any issues with drivers. PC Ultra Speed can be a great tool that can assist you fix such problems.
Sometimes mime applications errors could be a result of problem with what exactly is svchost file.
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Here can be an extensive number of MIME types cracked by this content they define.
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Updated December 02, 2015.
MIME Multipurpose Internet Mail Extensions can be an internet standard that is utilized to identify like content in files. These types normally include applications, sounds, video, text among others.
They are much such as the file extensions you re knowledgeable about on your desktop or laptop. For example, extension for Word documents, for executable windows files, for Excel files.
H.323 internet telephony file
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When utilizing PDFs, Ive stumble upon the MIME types
Is there a noticeable difference between these two types, and if so what on earth is it? Is one preferred within the other?
Im working away at a web app which must deliver huge amounts of PDFs and I need to do it the proper way, if there's one.
The answers below do discuss the two MIME types that you just mention, nevertheless, you mention often seen others. Could you please mention some? navjotk Jan 20 12 at 12:55
MIME types are controlled by the standards body, The Internet Assigned Numbers Authority IANA. This is the identical organization that manages the basis name servers along with the IP address space.
predates the standardization in the MIME type for PDF. MIME types from the
namespace are viewed experimental, just like those within the
namespace are viewed as vendor-specific.
might be used by compatibility with old software.
The by using x-pdf predates the standardization from the MIME type for PDF. MIME types from the x- namespace are viewed experimental, in the same way those inside vnd. namespace are thought vendor-specific. x-pdf might be used by compatibility with old software. Chris Hanson Dec 23 11 at 22:54
Private subtype values you start with X- might be defined bilaterally between two cooperating agents without outside registration or standardization. Such values is not registered or standardized.
New standard values needs to be registered with IANA as described in RFC 2048.
A similar restriction pertains to the top-level type. From exactly the same source,
If another top-level type is to be used by any reason, it ought to be given a name applying X- to suggest its non-standard status also to avoid a possible conflict that has a future official name.
Note that per RFC 2045, matching of media type and subtype is ALWAYS case-insensitive, so there is no difference between the interpretation of X- and x-.
So its fair to estimate that application/x-foo was implemented before the IANA defined application/foo. And it still might supply by folks that arent aware on the IANA token assignment.
The application/pdf media type was initially registered in 1993 by Paul Lindner for use because of the gopher protocol; the registration was subsequently updated in 1994 by Steve Zilles.
The type application/pdf has been online for above a decade. So it appears to me that wherever application/x-pdf has been used in newly discovered apps, your decision may not have been deliberate.
From Wikipedia Media type,
A media type is composed of the type, a subtype, and optional parameters. As one example, an HTML file could possibly be designated text/html; charsetUTF-8.
Media type includes top-level type name and sub-type name, that's further structured into so-called trees.
top-level type namesubtype name ; parameters top-level type nametree. subtype name suffix ; parameters
All media types must be registered with all the IANA registration procedures. Currently this trees are manufactured:
Media types inside the standards tree don't use any tree facet prefix.
Examples: application/xhtmlxml, image/png
Vendor tree is needed for media types related to publicly available products. It uses
typevnd. media type name suffix - used inside the case of well-known producer typevnd. producers name and then media type name suffix - producers name has to be approved by IANA typevnd. producers name and then products name suffix - producers name have to be approved by IANA
Personal or Vanity tree includes media types created experimentally or in products that happen to be not distributed commercially. It uses
typeprs. media type name suffix
The x. tree may be used in media types intended exclusively for usage in private, local environments in support of with the active agreement on the parties exchanging them. Types within this tree can not be registered.
According on the previous version of RFC 6838 - obsoleted RFC 2048 published in November 1996 it will rarely, at any time, be important to use unregistered experimental types, in addition to being such usage of both x- and x. forms is discouraged. Previous versions of this RFC - RFC 1590 and RFC 1521 stated that the by using x- notation for that sub-type name may be used in unregistered and personal sub-types, but this recommendation was obsoleted in November 1996.
typex. media type name suffix
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To view this web site, you ought to have by far the most recent Java installed 32-bit JRE J ava R untime E nvironment 1.8.066.
This Applet will run online with your browser, but it is often a hybrid you'll be able to also download, install and run it in your own machine as standalone application. It will start and improve your speed if you do that. It will also work safely even when you have disabled Java as part of your browser.
They have since been expanded for usage in
to describe this article of messages and downloads from both to and from servers.
types and what it needs to be. If you will find errors from the what it server is sending, notify the
If you find errors with what the
type really should be, email me at
Applet did not run. No Java 1.7 or later plug-in found.
MimeCheck can be a signed Java Applet which could also be run just as one application to MIME Check. You are welcome to install it on the own website. If it rule isn't followed
For this Applet hybrid to be effective, you have to click grant/accept/always run on this website/I accept raise the risk to give it permission you just read from any server online. If you usually grant permission, this program may crash by having an inscrutable stack dump within the console complaining about
In the Java Control Panel security tab, click Start Control Panel Programs Java Security, configure medium security permitting self-signed and vanilla unsigned applets running. If medium is just not available, or if Java security is blocking via running this program, configure high security and add to your Exception Site List in the bottom in the security tab.
Often problems is usually fixed just by clicking the reload button on your own browser.
Make sure you might have both JavaScript and Java enabled as part of your browser.
Make sure the Java within your browser is enabled from the security tab with the Java Control panel. Click Start Control Panel Programs Java Security Enable Java Content from the browser.
This signed Java Applet which could also be run as a possible application needs 32-bit or 64-bit Java 1.7 or later. For best results utilize latest 1.8.066 Java.
It works under any computer that supports Java W2K, XP, W2003, Vista, W2008, W7-32, W7-64, W8-32, W8-64, W2012, Linux, LinuxARM, LinuxX86, LinuxX64, Ubuntu, Solaris, SolarisSPARC, SolarisSPARC64, SolarisX86, SolarisX64 and OSX
You should understand the Applet hybrid above looking similar to this screenshot. If you don t, the subsequent hints should help you to get it working:
If these Applet hybrid seems to freeze-up, click Alt-Esc repeatedly to evaluate for any buried permission dialog box.
If you've got certificate troubles, look into the installed certificates and take off or update any obsolete or suspected defective certificates. The only certificate utilised by this program is.
Especially if the Applet hybrid worked as a chef before, try clearing the browser cache and rebooting.
To keep your Java is up to around date, talk with Wassup. First, download it and run it being an application outside of your browser, then run it online as a possible Applet to include the complication of the browser.
If the above mentined Applet hybrid rule isn't followed, look at the Java console for error messages.
If these Applet hybrid can not work, you've got better luck together with the downloadable version available below.
If you're using Mac OS X and need an improved Look and Feel, download the QuaQua look feel from /quaqua. UnZip the contained and do the installation in/Library/Java/Extensions or one in the other ext dirs.
Upgrade for the latest version of Internet Explorer as well as other browser.
Click the Information bar, then click Allow blocked content. Unfortunately, this actually also allows dangerous ActiveX code running. However, you should do this to acquire access to perfectly-safe Java Applets running within a sandbox. This is portion of Microsoft s war on Java.
Try upgrading with a more recent version of your respective browser, or consider using a different browser Chrome, Firefox, SeaMonkey, Opera, Safari or Avant.
If you will always can t get this system working click on the red HELP button below to get more detail.
If you may t get the above mentined Applet hybrid working after attempting to use the advice above and on the red HELP button below, have bugs to report or ways to improve this system or its documentation, please send me a message at.
is and a way of specifying the format of web documents and attached email documents. The webserver gives two hints for the browser what kind of data it can be sending it: the extension within the filename and also the
header. The web server usually derives the
type by investigating a table of file extensions. If the web server does not do this, the file contents are merely displayed as gibberish as an alternative to properly acted on. In Novell Servers there exists only one such extension-to-
translation table per server, it's unlikely that any per website hosted. Just send an e-mail to your
types. In particular, you have to tell your
type for all your Java file types like, , , , and
1.0 specification as media types types. The content-type and content-encoding fields inside the
header together give you a hint on the receiver exactly what data just been handed for it.
types. Unfortunately naming is a lot more chaotic compared to extensions, often with several conflicting
types for every extension. Unfortunately,
has made the problem it had been intended to solve a whole lot worse. It matters not what are the official name is, however the
name configured within the majority on the world s browsers is. I have found probably the most useful source.
types and extensions related to them.
audio/MP4-LATM, audio/x-aac, audio/x-mp4
Microsoft video playlist. XML, with entries giving URL per file to try out in order.
earlier Microsoft video format. avi movie, in concert with Winamp best, MS Media Player often audio only, or QuickTime in theory
executable program. You can make use of it for almost any file you wish simply downloaded and for an intact binary. it might be useful for files within the Automatic File Update student project.
X.509 Certificate format
application/java, application/java-class, application/octet-stream, application/x-java-applet, application/x-java-vm
Microsoft s format for import/export to Excel, Word and Access.
Microsoft Word document formatted.
enterprise archive, EJB app, compiled compressed java plus data members.
application/exe, application/x-msdos-download, application/x-msdownload, magnus-internal/cgi
Windows executable program. Refered to just as one application key in the associations editor.
Google Video, copy protected.
Windows old-style help formatting. See also chm. This is the MIME type Microsoft uses on its servers.
J2ME cellphone or handheld application.
compiled compressed java plus data members.
java jar update file, contains only jar members which may have changed.
Java Web Start application descriptor XML file.
application/ecmascript, application/javascript, application/x-javascript, text/ecmascript, text/jscript
JavaScript, application/javascript is official, but text/javascript is a bit more widely supported.
JRun Server Application. JRun is often a Java Servlet and JavaServer Pages JSP engine.
audio/mpeg, audio/x-mp3, audio/x-mpg
mp3/mpeg compressed audio. Popular format for portable music players.
encapsulation for Vorbis I non-proprietary audio or video.
program database debugging info, Protein Data Bank
powerpoint, application/x-mspowerpoint
image/photoshop, , image/x-photoshop
RealPlayer Metadata Package File, playlist
Nokia phone ringtones. Also useful for schema files.
for RSS-2 podcasting feeds. Unfortunately, it doesn't distinguish between text, video and audio. RSS-1 uses application/xml or application/rdfxml.
Windows screensavers containing executable code. Beware! Frequently contain viruses.
server side includes; web server expands embedded commands. Sometimes htm and html files are parsed for embedded commands too.
Microsoft Visual Solution file, selections for debug/release builds
PKCS-7/X.509 Authenticode public key
Shockwave Flash, not straight white female.
ASN.1 DER-encoded query to timestamp a signed jar
ASN.1 DER-encoded response from server to timestamp a signed jar
Video OBject contains several streams multiplexed together: Video, Audio and Subtitles. Video is MPEG-2
application/wordperfect6.0
application/wordperfect6.1
web archive, servlet app, compiled compressed java plus data members.
audio/x-pn-windows-pcm, audio/x-wav
VRML 3D virtual worlds, WAP
Microsoft compressed video. Play with Windows media Player or Winamp. Winamp helps you to slide forward and back.
application/wordperfect5.1
application/xml-dtd, application/xml-external-parsed-entity, text/xml, text/xml-external-parsed-entity
text/xml implies display. application/xml implies download.
application/x-compressed, application/x-zip-compressed, multipart/x-zip
otf, OpenType font files, don t yet offer an assigned
messages, for historical reason should contain only 7-bit printable characters. There is really a possibilty one in the hops within the email route might drop the high bits on characters inside messages or attachments. What if you have to transmit control characters, 8 - bit binary or 16 - bit data? You need some mechanism to convert the information to printable text and back. The Content-Transfer-Encoding field inside
header controls which process to use. Some common algorithms include:
7bit unencoded, case-insensitive, the info are all represented as short lines of US-ASCII data
8bit unencoded, the lines are short, but there could be non-ASCII characters
binary unencoded, any characters, lines can be long not employed in practice.
header fields ahead with the data and plus a trailing end-of-data marker string highly unlikely that occurs accidentally from the middle in the data.
Eventually this printable encoding is going to be dropped. Base64 encoding, one example is, adds 33% overhead on the transmitted message size. The Internet is actually almost completely changed into 8-bit, so it will not usually be necessary.
Types For A Java Website If you're setting up a Java Website, ensure you set up no less than these
types and extensions inside Windows Registry. At some point I will mine it for further entries. HKEYCLASSESROOT
DatabaseContent Typeapplication/x-java-jnlp-file. You can get a number of Windows extensions and associated
types by typing assoc for the command prompt.
forms use application/x-www-form-urlencoded, though there exists no filename.
Hate People often hate street mimes, perhaps for this reason the name
was chosen. The reasons to detest
scheme is disorganised. What determines how your browser displays, executes or downloads any given
depends upon its extension, the
type your website assigned that extension, the
type your main system assigned that extension, this course your browser sent to that
type and in all probability the current phase from the moon.
type to your file. It has to become generated in the extension anyway with tables maintained for the server. There is no way to manage files with different
types however the same extension anyway.
fails in the primary objective.
entirely and call everything text/plain.
names for your same file type.
supposedly is, however they don t appear to keep properly formatted records about
names, their extensions and uses, they don t assign names to stop duplicates.
7-bit encoding wastes bandwidth.
types over a global, one-size-fits-all website-wide basis. The whole point of
types would have been to resolve the ambiguity in the same extension being employed for two different purposes. To work properly
types need for being attached to files, the way their human names are.
S certainly are a half-assed solution to your problem which has created more of an problem laptop or computer solved.
types various web servers and sending at you with Rex Swain s HTTP viewer. It allows you to see such a browser would send in the event you submitted a
and just what the website would send back. Great learning tool for
types: The definitive IANA list nonetheless it has only a fraction in the total is use.
types and extensions you would like. If you could have an Apache server, you'll be able to configure it yourself by simply uploading data to your website s root.
Click corresponding icon to download player.
types and associated extensions called MimetypesFileTypeMap. As of
Prior to that you simply had to download it separately. It searches for
Programmatically added entries towards the MimetypesFileTypeMap instance.
The inside user s home directory.
C: Program Files java jre1.8.066
The resource named inside file.
to access local files? You don t employ a webserver in existence providing
headers. In Windows, within the registry, is surely an association from extension to
type, that they call content type. However, Java ignores this.
Part One: Format of Internet Message Bodies, specifies the many headers utilized to describe the structure of
Part Two: Media Types, describes the typical structure in the
media typing system and defines a primary set of media types.
Part Five: Conformance Criteria and Examples, Provides some illustrative examples of
database of file extensions, MIME types and identifying signatures
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Contact Roedy. Please feel free to link to this article without explicit permission.
MIME means M ultipurpose I nternet M ail E xtensions, and means an official Internet standard that specifies how messages has to be formatted in order that they may be exchanged between different email systems. MIME is usually a very flexible format, permitting someone to include almost any type of file or document in a message message. Specifically, MIME messages can contain text, images, audio, video, and other application-specific data.
INTERNET SURFERS LOOKING - ANSWERS TO MIME/EMAIL ISSUES FOLLOW THIS LINK.
To insure that e-mail containing images and other non-text information will probably be delivered with maximum protection against corruption, MIME offers a way for non-text information being encoded as text. This encoding is called base64, and appears to become a way to obtain frustration for several email users. Heres helpful tips for decoding MIME messages.
The MIME format is usually very similar on the format of info that is exchanged from your Web browser along with the Web server it connects to. This related format is specified as part from the Hypertext Transfer Protocol HTTP. For the definitive info on HTTP, it is best to consult RFC 2616 Hypertext Transfer Protocol - - HTTP/1.1.
If that you are a C programmer thinking about writing virtually any email, netnews, or HTTP application, you may want to consider using Hunny MIME, a C library designed specifically to make it easier to produce such applications. In Hunny MIME, all of the elements from the BNF grammar specified within the RFCs are represented as C classes, making the library very intuitive make use of. For more information, as well as to download the library as well as its documentation, please go to the MIME Home Page.
Java programmers, look at Hunny JMIME, that's much exactly the same as Hunny MIME, only its a pure Java class library. Information is available about the JMIME Home Page.
There is really a suite of Perl modules for developing MIME applications. You can visit any CPAN mirror and acquire the MIME-tools.
If you want developing in C, there may be also the c-client library for developing MIME applications.
Copyright 2010 Hunny Software, Inc. All Rights Reserved.
There is usually a list of Frequently Asked Questions About MIME.
There can be a suite of Perl modules for developing MIME applications. You can visit any CPAN mirror and obtain the MIME - tools.
How can I receive the MIME type from data extension?
Yuki, appreciate your adding new relevant info. Unfortunately the MS implementation, and that is available 4.5, merely has 195 mappings, doesn't have way to feature more, and is just not configurable. My listing below has 560 mappings. Oddly, the MS listing is missing extremely common MS extensions even, along with other important web extensions, Samuel Neff Oct 14 at 0:06
Ive found many mime types my application uses are not inside default Windows registry among others are inside the registry but not inside the list incorporated with IIS. Ive compiled a subscriber base from these locations and added a couple of others that people use.
EDIT: See most up-do-date version with contributions here, including a competent and deterministic two-way mapping: /samuelneff/MimeTypeMap
private static IDictionary string, string mappings new Dictionary string, region Big freaking set of mime types//combination of values from Windows 7 Registry and//from //some added, including.7z.323, text/h323,.3g2, video/3gpp2,.3gp, video/3gpp,.3gp2, video/3gpp2,.3gpp, video/3gpp,.7z, application/x-7z-compressed, , audio/audible, , audio/aac, , application/octet-stream, , , 3, audio/ac3, , application/octet-stream, , , , application/msaccess, , , , application/msaccess, , , , application/msaccess, , , , , , application/internet-property-stream, , text/xml, , application/msaccess, , application/x-bridge-url, , application/msaccess, , , , audio/aac, , application/octet-stream, , application/postscript, , audio/x-aiff, , audio/aiff, , audio/aiff, , -application-installer-packagezip, , application/x-mpeg, , application/x-ms-application, , image/x-jg, , application/xml, , application/xml, , application/xml, , application/octet-stream, , video/x-ms-asf, , application/xml, , application/octet-stream, , text/plain, , application/xml, , application/xml, , video/x-ms-asf, , video/x-ms-asf, , application/atomxml, , audio/basic, , video/x-msvideo, , application/olescript, , text/plain, , application/x-bcpio, , application/octet-stream, , image/bmp,.c, text/plain, , application/octet-stream, , audio/x-caf, , , , , , text/plain, , text/plain, , audio/aiff, , application/x-cdf, , application/x-x509-ca-cert, , application/octet-stream, , application/x-java-applet, , application/x-msclip, , image/x-cmx, , text/plain, , image/cis-cod, , application/xml, , text/x-ms-contact, , application/xml, , application/x-cpio, , text/plain, , application/x-mscardfile, , application/pkix-crl, , application/x-x509-ca-cert, , text/plain, , text/plain, , application/x-csh, , text/plain, , text/css, , text/csv, , application/octet-stream, , text/plain, , application/octet-stream, , application/xml, , text/plain, , application/x-director, , text/plain, , application/octet-stream, , application/x-x509-ca-cert, , application/xml, , image/bmp, , video/x-dv, , application/x-director, , text/xml, , application/x-msdownload, , text/xml, , text/dlm, , application/msword, , 12, , , , application/msword, , 12, , , , application/octet-stream, , text/plain, , text/xml, , text/xml, , video/x-dv, , application/x-dvi, , drawing/x-dwf, , application/octet-stream, , application/x-director, , message/rfc822, , application/octet-stream, , application/octet-stream, , application/postscript, , application/etl, , text/x-setext, , application/envoy, , application/octet-stream, , text/xml, , , , application/fractals, , Application/xml, , application/octet-stream, , x-world/x-vrml, , video/x-flv, , application/fsharp-script, , application/fsharp-script, , application/xml, , image/gif, , text/x-ms-group, , audio/x-gsm, , application/x-gtar, , application/x-gzip,.h, text/plain, , application/x-hdf, , text/x-hdml, , application/x-oleobject, , application/octet-stream, , application/octet-stream, , application/winhlp, , text/plain, , application/mac-binhex40, , application/hta, , text/x-component, , text/html, , text/html, , text/webviewhtml, , application/xml, , application/xml, , application/octet-stream, , application/xml, , application/xml, , application/octet-stream, , application/octet-stream, , application/xml, , application/octet-stream, , application/octet-stream, , application/octet-stream, , text/html, , application/xml, , application/octet-stream, , text/plain,.i, text/plain, , image/x-icon, , application/octet-stream, , text/plain, , image/ief, , application/x-iphone, , text/plain, , application/octet-stream, , text/plain, , application/x-internet-signup, , application/x-itunes-ipa, , application/x-itunes-ipg, , text/plain, , application/x-itunes-ipsw, , text/x-ms-iqy, , application/x-internet-signup, , application/x-itunes-ite, , application/x-itunes-itlp, , application/x-itunes-itms, , application/x-itunes-itpc, , video/x-ivf, , application/java-archive, , application/octet-stream, , application/liquidmotion, , application/liquidmotion, , image/pjpeg, , application/x-java-jnlp-file, , application/octet-stream, , image/jpeg, , image/jpeg, , image/jpeg, , application/x-javascript, , application/json, , text/jscript, , text/plain, , application/x-latex, -ms, application/windows-libraryxml, , application/x-ms-reader, , application/xml, , application/octet-stream, , video/x-la-asf, , text/plain, , video/x-la-asf, , application/octet-stream,.m13, application/x-msmediaview,.m14, application/x-msmediaview,.m1v, video/mpeg,.m2t, -tts,.m2ts, -tts,.m2v, video/mpeg,.m3u, audio/x-mpegurl,.m3u8, audio/x-mpegurl,.m4a, audio/m4a,.m4b, audio/m4b,.m4p, audio/m4p,.m4r, audio/x-m4r,.m4v, video/x-m4v, , image/x-macpaint, , text/plain, , application/x-troff-man, , application/x-ms-manifest, , text/plain, , application/xml, , application/msaccess, , application/x-msaccess, , application/msaccess, , application/octet-stream, , application/x-troff-me, , application/x-shockwave-flash, , message/rfc822, , message/rfc822, , audio/mid, , audio/mid, , application/octet-stream, , text/plain, , application/x-smaf, , text/xml, , application/x-msmoney, , video/mpeg, , video/quicktime, , video/x-sgi-movie, 2, video/mpeg, 2v, video/mpeg, 3, audio/mpeg, 4, video/mp4, 4v, video/mp4, , video/mpeg, , video/mpeg, , video/mpeg, , -mediapackage, , video/mpeg, , -project, 2, video/mpeg, , video/quicktime, , application/x-troff-ms, , application/octet-stream, , application/octet-stream, , -tts, , application/xml, , application/x-msmediaview, , application/x-miva-compiled, , application/x-mmxp, , application/x-netcdf, , video/x-ms-asf, , message/rfc822, , application/octet-stream, , application/oda, , text/x-ms-odc, , text/plain, , text/plain, , , , application/oleobject, , , , application/onenote, , application/onenote, , application/onenote, , application/onenote, , application/onenote, 2, application/onenote, , application/xml, , application/opensearchdescriptionxml,.p10, application/pkcs10,.p12, application/x-pkcs12,.p7b, application/x-pkcs7-certificates,.p7c, application/pkcs7-mime,.p7m, application/pkcs7-mime,.p7r, application/x-pkcs7-certreqresp,.p7s, application/pkcs7-signature, , image/x-portable-bitmap, , application/x-podcast, , image/pict, , application/octet-stream, , application/octet-stream, , application/pdf, , application/octet-stream, , application/octet-stream, , application/x-pkcs12, , image/x-portable-graymap, , image/pict, , image/pict, , text/plain, , text/plain, , , , audio/scpls, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , image/png, , image/x-portable-anymap, , image/x-macpaint, , image/x-macpaint, , image/png, , -powerpoint, , 12, , , , -powerpoint, , 12, , image/x-portable-pixmap, , -powerpoint, , 12, , , , -powerpoint, , 12, , , , application/pics-rules, , application/octet-stream, , application/octet-stream, , application/postscript, 1, application/PowerShell, , application/octet-stream, , application/xml, , application/octet-stream, , application/octet-stream, , application/x-mspublisher, , -powerpoint, , text/x-html-insertion, , text/x-html-insertion, , video/quicktime, , image/x-quicktime, , image/x-quicktime, , application/x-quicktimeplayer, , application/octet-stream, , audio/x-pn-realaudio, , audio/x-pn-realaudio, , application/octet-stream, , image/x-cmu-raster, , application/rat-file, , text/plain, 2, text/plain, , text/plain, , application/xml, , application/xml, , -realflash, , image/x-rgb, , text/plain, , -realmedia, , audio/mid, , -rnmusicpackage, , application/x-troff, , audio/x-pn-realaudio-plugin, , text/x-ms-rqy, , application/rtf, , text/richtext, , application/xml,.s, text/plain, , application/x-safari-safariextz, , application/x-msschedule, , text/scriptlet, 2, audio/x-sd2, , application/sdp, , application/octet-stream, -ms, application/windows-search-connectorxml, , application/set-payment-initiation, , application/set-registration-initiation, , application/xml, , application/x-sgimb, , text/sgml, , application/x-sh, , application/x-shar, , text/html, , application/x-stuffit, , application/xml, , application/xml, , 12, , , , -excel, , text/plain, -ms, application/x-ms-license, , audio/x-smd, , application/octet-stream, , audio/x-smd, , audio/x-smd, , audio/basic, , application/xml, , application/octet-stream, , text/plain, , text/plain, , application/x-pkcs7-certificates, , application/futuresplash, , application/x-wais-source, , text/plain, , text/xml, , application/streamingmedia, , , , , 4cpio, application/x-sv4cpio, 4crc, application/x-sv4crc, , application/xml, , application/x-shockwave-flash,.t, application/x-troff, , application/x-tar, , application/x-tcl, , application/xml, , application/xml, , application/x-tex, , application/x-texinfo, , application/x-texinfo, , application/x-compressed, , -officetheme, , application/octet-stream, , image/tiff, , image/tiff, , text/plain, , text/plain, , application/octet-stream, , application/x-troff, , application/x-msterminal, , application/xml, , -tts, , text/tab-separated-values, , application/octet-stream, , -tts, , text/plain,.u32, application/octet-stream, , text/iuls, , text/plain, , application/x-ustar, , text/plain, , text/plain, , video/mpeg, , text/plain, , text/vbscript, , text/x-vcard, , Application/xml, , text/plain, , Application/xml, , text/plain, , text/plain, , text/plain, , , , text/xml, , application/xml, , text/xml, , , , application/ms-vsi, , application/vsix, , text/xml, , text/xml, , application/xml, , text/plain, , , , text/plain, , text/xml, , text/plain, , , , text/xml, , application/x-ms-vsto, , , , , , , , audio/wav, , audio/wav, , audio/x-ms-wax, , application/msword, , , , -works, , -works, , -photo, , application/x-safari-webarchive, , application/xml, , application/xml, , application/msword, , -works, , application/wlmoviemaker, , application/x-wlpg-detect, 3, application/x-wlpg3-detect, , video/x-ms-wm, , audio/x-ms-wma, , application/x-ms-wmd, , application/x-msmetafile, , , , , , , , , , video/x-ms-wmp, , video/x-ms-wmv, , video/x-ms-wmx, , application/x-ms-wmz, , -wpl, , -works, , application/x-mswrite, , x-world/x-vrml, , x-world/x-vrml, , text/scriptlet, , text/xml, , video/x-ms-wvx,.x, application/directx, , x-world/x-vrml, , application/xamlxml, , application/x-silverlight-app, , application/x-ms-xbap, , image/x-xbitmap, , text/plain, , application/xhtmlxml, , application/xhtmlxml, , -excel, , 12, , -excel, , -excel, , -excel, , -excel, , -excel, , -excel, , 12, , 12, , , , -excel, , 12, , , , -excel, , text/xml, , application/xml, , x-world/x-vrml, , text/plain, , image/x-xpixmap, , -xpsdocument, -ms, text/xml, , application/xml, , text/xml, , text/xml, , text/xml, , text/xml, , application/octet-stream, , application/xml, , application/octet-stream, , image/x-xwindowdump,.z, application/x-compress, , application/x-zip-compressed, endregion ; public static string GetMimeTypestring extension if extension null throw new ArgumentNullExceptionextension; if. extension. extension; string mime; return extension, out mime? mime: application/octet-stream;
Somehow I possess a feeling that building an associative data structure coming from a data file at startup has to be bit saner. Jon Purdy Aug 3 10 at 5:12
Shimmy, interesting. Unfortunately the MS implementation, and that is available 4.5, just has 195 mappings, does not have any way to incorporate more, and just isn't configurable. My listing above has 560 mappings. Oddly, the MS listing is missing extremely common MS extensions even, like
class that is certainly part with the BCL Framework 4.5:
string mimeType fileName;
class, it relies on a custom dictionary that exposes this process, so you need to invoke the subsequent to add mappings never tested tho, but should prob. work:
string fileExtension, string mimeType
1 for adding new relevant info. Unfortunately the MS implementation, and that is available 4.5, merely has 195 mappings, does not have any way to provide more, and isn't configurable. My listing above has 560 mappings. Oddly, the MS listing is missing extremely common MS extensions even, like
it s not just a great idea make use of reflection on private fields. They re more prone to change from the future mainly because it s not an decided contract and also you ll obtain a runtime error instead of any compile-time error in the event that happens. If you might be going to do that, you should at the least add unit tests for that it is sure capture it early when versions. Besides that, should you re going to provide mappings manually, you would possibly as well maintain your individual collection. The class is certainly not more than a wrapper over a dictionary. Samuel Neff Jan 3 13 at 2:34
sure, that may prevent errors, however if the variables and methods don t exist, your code to include custom mappings won t work. You just won t get errors anymore. We can disagree and argue, final point here is you re right it is possible to technically refer to it through reflection, but personally I would never recommend using reflection on private properties in the production application unless it turned out absolutely necessary and without the right safeguards to trap it early when it fails. Samuel Neff Jan 3 13 at 4:55
private string GetMimeType string fileName string mimeType application/unknown; string ext ; regKey ext; if regKey! null Content Type! null mimeType Content ; return mimeType;
keep in mind which the machine you re running this code on will undoubtedly know about specific kinds - PDF won t be listed in the event the machine hasn't had a PDF reader installed. msulis Oct 16 12 at 2:43
Yes, it is bit dangerous because it comes from registry which enable it to miss extensions from software not installed, only if had old versions of Office, may have Nestor May 21 13 at 9:04
In addition, this has to be very expensive call to execute a registry lookup every time you'll need a mime type. Perhaps if it had been cached, but I would still love the static dictionary method compiled by Samuel. dadwithkids Nov 1 13 at 15:04
var mimeType fileName;
Summary://Returns the MIME mapping to the specified file name.////Parameters://fileName://The file name that is utilized to determine the MIME type. public static string GetMimeMappingstring fileName;
You can discover that information within the registry. For instance, the MIME type file is usually found inside key
from the value Content Type:
string mimeType, Content Type, null as string;
If you re on Windows, yes. The basic idea is find where this information is given, and import that to a data structure of some kind. maxwellb Jun 22 09 at 22:53
The OP is related to OK, is usually run on Linux due to Mono, but that s not just a very common scenario, so I think it s quite safe to imagine that acidzombie24 is definitely Thomas Levesque Jun 22 09 at 23:10
Be careful using this type of solution, since the result depends within the software the customer has installed. without doesn t have Content Type. Marc Climent Oct 23 09 at 10:53
Yes, Mark s right. Seems I need Adobe Acrobat installed to lookup mimetype tried on Windows Server 2008 R2. So, seems the program regarding the extension maintains this mimetype not windows. Vyas Bharghava Oct 15 12 at 3:11
Dictionary string, string
keyed by file extension. Its here:
public static Dictionary string, string MimeTypes new Dictionary string, string 123, -1-2-3, 3dml, 3d.3dml, 3g2, video/3gpp2, 3gp, video/3gpp, 7z, application/x-7z-compressed, aab, application/x-authorware-bin, aac, audio/x-aac, aam, application/x-authorware-map, aas, application/x-authorware-seg, abw, application/x-abiword
I such as the work that Samuel Neff did, although not the idea and overhead of making a dictionary anytime.
I restructured things to be a switch case. Yes you cant iterate over it playing with my case I only ever apply it to quickly lookup a value. Especially because it can be done in the web service, not what I want is really a bunch of overhead since the application prepares its structures. The compiler will turn this in to a hashed lookup and so it will likely be very fast.
public static string GetMimeTypestring extension if extension null throw new ArgumentNullExceptionextension; if. extension 1; switch region Big freaking set of mime types case 323: return text/h323; case 3g2: return video/3gpp2; case 3gp: return video/3gpp; case 3gp2: return video/3gpp2; case 3gpp: return video/3gpp; case 7z: return application/x-7z-compressed; case aa: return audio/audible; case aac: return audio/aac; case aaf: return application/octet-stream; case aax: return ; case ac3: return audio/ac3; case aca: return application/octet-stream; case accda: return ; case accdb: return application/msaccess; case accdc: return ; case accde: return application/msaccess; case accdr: return ; case accdt: return application/msaccess; case accdw: return ; case accft: return ; case acx: return application/internet-property-stream; case addin: return text/xml; case ade: return application/msaccess; case adobebridge: return application/x-bridge-url; case adp: return application/msaccess; case adt: return ; case adts: return audio/aac; case afm: return application/octet-stream; case ai: return application/postscript; case aif: return audio/x-aiff; case aifc: return audio/aiff; case aiff: return audio/aiff; case air: return -application-installer-packagezip; case amc: return application/x-mpeg; case application: return application/x-ms-application; case art: return image/x-jg; case asa: return application/xml; case asax: return application/xml; case ascx: return application/xml; case asd: return application/octet-stream; case asf: return video/x-ms-asf; case ashx: return application/xml; case asi: return application/octet-stream; case asm: return text/plain; case asmx: return application/xml; case aspx: return application/xml; case asr: return video/x-ms-asf; case asx: return video/x-ms-asf; case atom: return application/atomxml; case au: return audio/basic; case avi: return video/x-msvideo; case axs: return application/olescript; case bas: return text/plain; case bcpio: return application/x-bcpio; case bin: return application/octet-stream; case bmp: return image/bmp; case c: return text/plain; case cab: return application/octet-stream; case caf: return audio/x-caf; case calx: return ; case cat: return ; case cc: return text/plain; case cd: return text/plain; case cdda: return audio/aiff; case cdf: return application/x-cdf; case cer: return application/x-x509-ca-cert; case chm: return application/octet-stream; case class: return application/x-java-applet; case clp: return application/x-msclip; case cmx: return image/x-cmx; case cnf: return text/plain; case cod: return image/cis-cod; case config: return application/xml; case contact: return text/x-ms-contact; case coverage: return application/xml; case cpio: return application/x-cpio; case cpp: return text/plain; case crd: return application/x-mscardfile; case crl: return application/pkix-crl; case crt: return application/x-x509-ca-cert; case cs: return text/plain; case csdproj: return text/plain; case csh: return application/x-csh; case csproj: return text/plain; case css: return text/css; case csv: return text/csv; case cur: return application/octet-stream; case cxx: return text/plain; case dat: return application/octet-stream; case datasource: return application/xml; case dbproj: return text/plain; case dcr: return application/x-director; case def: return text/plain; case deploy: return application/octet-stream; case der: return application/x-x509-ca-cert; case dgml: return application/xml; case dib: return image/bmp; case dif: return video/x-dv; case dir: return application/x-director; case disco: return text/xml; case dll: return application/x-msdownload; case : return text/xml; case dlm: return text/dlm; case doc: return application/msword; case docm: return 12; case docx: return ; case dot: return application/msword; case dotm: return 12; case dotx: return ; case dsp: return application/octet-stream; case dsw: return text/plain; case dtd: return text/xml; case dtsconfig: return text/xml; case dv: return video/x-dv; case dvi: return application/x-dvi; case dwf: return drawing/x-dwf; case dwp: return application/octet-stream; case dxr: return application/x-director; case eml: return message/rfc822; case emz: return application/octet-stream; case eot: return application/octet-stream; case eps: return application/postscript; case etl: return application/etl; case etx: return text/x-setext; case evy: return application/envoy; case exe: return application/octet-stream; case : return text/xml; case fdf: return ; case fif: return application/fractals; case filters: return application/xml; case fla: return application/octet-stream; case flr: return x-world/x-vrml; case flv: return video/x-flv; case fsscript: return application/fsharp-script; case fsx: return application/fsharp-script; case generictest: return application/xml; case gif: return image/gif; case group: return text/x-ms-group; case gsm: return audio/x-gsm; case gtar: return application/x-gtar; case gz: return application/x-gzip; case h: return text/plain; case hdf: return application/x-hdf; case hdml: return text/x-hdml; case hhc: return application/x-oleobject; case hhk: return application/octet-stream; case hhp: return application/octet-stream; case hlp: return application/winhlp; case hpp: return text/plain; case hqx: return application/mac-binhex40; case hta: return application/hta; case htc: return text/x-component; case htm: return text/html; case html: return text/html; case htt: return text/webviewhtml; case hxa: return application/xml; case hxc: return application/xml; case hxd: return application/octet-stream; case hxe: return application/xml; case hxf: return application/xml; case hxh: return application/octet-stream; case hxi: return application/octet-stream; case hxk: return application/xml; case hxq: return application/octet-stream; case hxr: return application/octet-stream; case hxs: return application/octet-stream; case hxt: return text/html; case hxv: return application/xml; case hxw: return application/octet-stream; case hxx: return text/plain; case i: return text/plain; case ico: return image/x-icon; case ics: return application/octet-stream; case idl: return text/plain; case ief: return image/ief; case iii: return application/x-iphone; case inc: return text/plain; case inf: return application/octet-stream; case inl: return text/plain; case ins: return application/x-internet-signup; case ipa: return application/x-itunes-ipa; case ipg: return application/x-itunes-ipg; case ipproj: return text/plain; case ipsw: return application/x-itunes-ipsw; case iqy: return text/x-ms-iqy; case isp: return application/x-internet-signup; case ite: return application/x-itunes-ite; case itlp: return application/x-itunes-itlp; case itms: return application/x-itunes-itms; case itpc: return application/x-itunes-itpc; case ivf: return video/x-ivf; case jar: return application/java-archive; case java: return application/octet-stream; case jck: return application/liquidmotion; case jcz: return application/liquidmotion; case jfif: return image/pjpeg; case jnlp: return application/x-java-jnlp-file; case jpb: return application/octet-stream; case jpe: return image/jpeg; case jpeg: return image/jpeg; case jpg: return image/jpeg; case js: return application/x-javascript; case jsx: return text/jscript; case jsxbin: return text/plain; case latex: return application/x-latex; case library-ms: return application/windows-libraryxml; case lit: return application/x-ms-reader; case loadtest: return application/xml; case lpk: return application/octet-stream; case lsf: return video/x-la-asf; case lst: return text/plain; case lsx: return video/x-la-asf; case lzh: return application/octet-stream; case m13: return application/x-msmediaview; case m14: return application/x-msmediaview; case m1v: return video/mpeg; case m2t: return -tts; case m2ts: return -tts; case m2v: return video/mpeg; case m3u: return audio/x-mpegurl; case m3u8: return audio/x-mpegurl; case m4a: return audio/m4a; case m4b: return audio/m4b; case m4p: return audio/m4p; case m4r: return audio/x-m4r; case m4v: return video/x-m4v; case mac: return image/x-macpaint; case mak: return text/plain; case man: return application/x-troff-man; case manifest: return application/x-ms-manifest; case map: return text/plain; case master: return application/xml; case mda: return application/msaccess; case mdb: return application/x-msaccess; case mde: return application/msaccess; case mdp: return application/octet-stream; case me: return application/x-troff-me; case mfp: return application/x-shockwave-flash; case mht: return message/rfc822; case mhtml: return message/rfc822; case mid: return audio/mid; case midi: return audio/mid; case mix: return application/octet-stream; case mk: return text/plain; case mmf: return application/x-smaf; case mno: return text/xml; case mny: return application/x-msmoney; case mod: return video/mpeg; case mov: return video/quicktime; case movie: return video/x-sgi-movie; case mp2: return video/mpeg; case mp2v: return video/mpeg; case mp3: return audio/mpeg; case mp4: return video/mp4; case mp4v: return video/mp4; case mpa: return video/mpeg; case mpe: return video/mpeg; case mpeg: return video/mpeg; case mpf: return -mediapackage; case mpg: return video/mpeg; case mpp: return -project; case mpv2: return video/mpeg; case mqv: return video/quicktime; case ms: return application/x-troff-ms; case msi: return application/octet-stream; case mso: return application/octet-stream; case mts: return -tts; case mtx: return application/xml; case mvb: return application/x-msmediaview; case mvc: return application/x-miva-compiled; case mxp: return application/x-mmxp; case nc: return application/x-netcdf; case nsc: return video/x-ms-asf; case nws: return message/rfc822; case ocx: return application/octet-stream; case oda: return application/oda; case odc: return text/x-ms-odc; case odh: return text/plain; case odl: return text/plain; case odp: return ; case ods: return application/oleobject; case odt: return ; case one: return application/onenote; case onea: return application/onenote; case onepkg: return application/onenote; case onetmp: return application/onenote; case onetoc: return application/onenote; case onetoc2: return application/onenote; case orderedtest: return application/xml; case osdx: return application/opensearchdescriptionxml; case p10: return application/pkcs10; case p12: return application/x-pkcs12; case p7b: return application/x-pkcs7-certificates; case p7c: return application/pkcs7-mime; case p7m: return application/pkcs7-mime; case p7r: return application/x-pkcs7-certreqresp; case p7s: return application/pkcs7-signature; case pbm: return image/x-portable-bitmap; case pcast: return application/x-podcast; case pct: return image/pict; case pcx: return application/octet-stream; case pcz: return application/octet-stream; case pdf: return application/pdf; case pfb: return application/octet-stream; case pfm: return application/octet-stream; case pfx: return application/x-pkcs12; case pgm: return image/x-portable-graymap; case pic: return image/pict; case pict: return image/pict; case pkgdef: return text/plain; case pkgundef: return text/plain; case pko: return ; case pls: return audio/scpls; case pma: return application/x-perfmon; case pmc: return application/x-perfmon; case pml: return application/x-perfmon; case pmr: return application/x-perfmon; case pmw: return application/x-perfmon; case png: return image/png; case pnm: return image/x-portable-anymap; case pnt: return image/x-macpaint; case pntg: return image/x-macpaint; case pnz: return image/png; case pot: return -powerpoint; case potm: return 12; case potx: return ; case ppa: return -powerpoint; case ppam: return 12; case ppm: return image/x-portable-pixmap; case pps: return -powerpoint; case ppsm: return 12; case ppsx: return ; case ppt: return -powerpoint; case pptm: return 12; case pptx: return ; case prf: return application/pics-rules; case prm: return application/octet-stream; case prx: return application/octet-stream; case ps: return application/postscript; case psc1: return application/powershell; case psd: return application/octet-stream; case psess: return application/xml; case psm: return application/octet-stream; case psp: return application/octet-stream; case pub: return application/x-mspublisher; case pwz: return -powerpoint; case qht: return text/x-html-insertion; case qhtm: return text/x-html-insertion; case qt: return video/quicktime; case qti: return image/x-quicktime; case qtif: return image/x-quicktime; case qtl: return application/x-quicktimeplayer; case qxd: return application/octet-stream; case ra: return audio/x-pn-realaudio; case ram: return audio/x-pn-realaudio; case rar: return application/octet-stream; case ras: return image/x-cmu-raster; case rat: return application/rat-file; case rc: return text/plain; case rc2: return text/plain; case rct: return text/plain; case rdlc: return application/xml; case resx: return application/xml; case rf: return -realflash; case rgb: return image/x-rgb; case rgs: return text/plain; case rm: return -realmedia; case rmi: return audio/mid; case rmp: return -rnmusicpackage; case roff: return application/x-troff; case rpm: return audio/x-pn-realaudio-plugin; case rqy: return text/x-ms-rqy; case rtf: return application/rtf; case rtx: return text/richtext; case ruleset: return application/xml; case s: return text/plain; case safariextz: return application/x-safari-safariextz; case scd: return application/x-msschedule; case sct: return text/scriptlet; case sd2: return audio/x-sd2; case sdp: return application/sdp; case sea: return application/octet-stream; case searchconnector-ms: return application/windows-search-connectorxml; case setpay: return application/set-payment-initiation; case setreg: return application/set-registration-initiation; case settings: return application/xml; case sgimb: return application/x-sgimb; case sgml: return text/sgml; case sh: return application/x-sh; case shar: return application/x-shar; case shtml: return text/html; case sit: return application/x-stuffit; case sitemap: return application/xml; case skin: return application/xml; case sldm: return 12; case sldx: return ; case slk: return -excel; case sln: return text/plain; case slupkg-ms: return application/x-ms-license; case smd: return audio/x-smd; case smi: return application/octet-stream; case smx: return audio/x-smd; case smz: return audio/x-smd; case snd: return audio/basic; case snippet: return application/xml; case snp: return application/octet-stream; case sol: return text/plain; case sor: return text/plain; case spc: return application/x-pkcs7-certificates; case spl: return application/futuresplash; case src: return application/x-wais-source; case srf: return text/plain; case ssisdeploymentmanifest: return text/xml; case ssm: return application/streamingmedia; case sst: return ; case stl: return ; case sv4cpio: return application/x-sv4cpio; case sv4crc: return application/x-sv4crc; case svc: return application/xml; case swf: return application/x-shockwave-flash; case t: return application/x-troff; case tar: return application/x-tar; case tcl: return application/x-tcl; case testrunconfig: return application/xml; case testsettings: return application/xml; case tex: return application/x-tex; case texi: return application/x-texinfo; case texinfo: return application/x-texinfo; case tgz: return application/x-compressed; case thmx: return -officetheme; case thn: return application/octet-stream; case tif: return image/tiff; case tiff: return image/tiff; case tlh: return text/plain; case tli: return text/plain; case toc: return application/octet-stream; case tr: return application/x-troff; case trm: return application/x-msterminal; case trx: return application/xml; case ts: return -tts; case tsv: return text/tab-separated-values; case ttf: return application/octet-stream; case tts: return -tts; case txt: return text/plain; case u32: return application/octet-stream; case uls: return text/iuls; case user: return text/plain; case ustar: return application/x-ustar; case vb: return text/plain; case vbdproj: return text/plain; case vbk: return video/mpeg; case vbproj: return text/plain; case vbs: return text/vbscript; case vcf: return text/x-vcard; case vcproj: return application/xml; case vcs: return text/plain; case vcxproj: return application/xml; case vddproj: return text/plain; case vdp: return text/plain; case vdproj: return text/plain; case vdx: return ; case vml: return text/xml; case vscontent: return application/xml; case vsct: return text/xml; case vsd: return ; case vsi: return application/ms-vsi; case vsix: return application/vsix; case vsixlangpack: return text/xml; case vsixmanifest: return text/xml; case vsmdi: return application/xml; case vspscc: return text/plain; case vss: return ; case vsscc: return text/plain; case vssettings: return text/xml; case vssscc: return text/plain; case vst: return ; case vstemplate: return text/xml; case vsto: return application/x-ms-vsto; case vsw: return ; case vsx: return ; case vtx: return ; case wav: return audio/wav; case wave: return audio/wav; case wax: return audio/x-ms-wax; case wbk: return application/msword; case wbmp: return ; case wcm: return -works; case wdb: return -works; case wdp: return -photo; case webarchive: return application/x-safari-webarchive; case webtest: return application/xml; case wiq: return application/xml; case wiz: return application/msword; case wks: return -works; case wlmp: return application/wlmoviemaker; case wlpginstall: return application/x-wlpg-detect; case wlpginstall3: return application/x-wlpg3-detect; case wm: return video/x-ms-wm; case wma: return audio/x-ms-wma; case wmd: return application/x-ms-wmd; case wmf: return application/x-msmetafile; case wml: return ; case wmlc: return ; case wmls: return ; case wmlsc: return ; case wmp: return video/x-ms-wmp; case wmv: return video/x-ms-wmv; case wmx: return video/x-ms-wmx; case wmz: return application/x-ms-wmz; case wpl: return -wpl; case wps: return -works; case wri: return application/x-mswrite; case wrl: return x-world/x-vrml; case wrz: return x-world/x-vrml; case wsc: return text/scriptlet; case wsdl: return text/xml; case wvx: return video/x-ms-wvx; case x: return application/directx; case xaf: return x-world/x-vrml; case xaml: return application/xamlxml; case xap: return application/x-silverlight-app; case xbap: return application/x-ms-xbap; case xbm: return image/x-xbitmap; case xdr: return text/plain; case xht: return application/xhtmlxml; case xhtml: return application/xhtmlxml; case xla: return -excel; case xlam: return 12; case xlc: return -excel; case xld: return -excel; case xlk: return -excel; case xll: return -excel; case xlm: return -excel; case xls: return -excel; case xlsb: return 12; case xlsm: return 12; case xlsx: return ; case xlt: return -excel; case xltm: return 12; case xltx: return ; case xlw: return -excel; case xml: return text/xml; case xmta: return application/xml; case xof: return x-world/x-vrml; case xoml: return text/plain; case xpm: return image/x-xpixmap; case xps: return -xpsdocument; case xrm-ms: return text/xml; case xsc: return application/xml; case xsd: return text/xml; case xsf: return text/xml; case xsl: return text/xml; case xslt: return text/xml; case xsn: return application/octet-stream; case xss: return application/xml; case xtp: return application/octet-stream; case xwd: return image/x-xwindowdump; case z: return application/x-compress; case zip: return application/x-zip-compressed; endregion default: return application/octet-stream;
FabioG I m unsure that s going to become all that beneficial to you. For example, the MIME type application/xml might have 43 matching extensions out of this list. Barrie Jul 4 14 at 8:53
Barrie Could you want to do something like: simply make use of the first within the list, to get yourself a standard extension a stab at lowest common denominator application/xml and image/jpeg which might work on most OSs no? what am I missing? Guessing this is good for some standard types but fail for plenty on this v long list. thoughts? MemeDeveloper May 12 at 10:01
using System; using ; using ; using ; using ; namespace Mime class Mime public static string GetMimeTypestring fileName if fileName fileName throw new ArgumentNullExceptionfilename must possess a filename; string extension ; if. extension. extension; string mime; if extension, out mime return mime; else if GetWindowsMimeTypeextension, out mime mime; return mime; else return application/octet-stream; public static bool GetWindowsMimeTypestring ext, out string mime mimeapplication/octet-stream; regKey ext; if regKey! null object Content Type ; if val! null string strval ; strval mimestrval; return true; return false; private static IDictionary string, string mappings new Dictionary string, region Big freaking set of mime types//combination of values from Windows 7 Registry and//from //some added, including.7z.323, text/h323,.3g2, video/3gpp2,.3gp, video/3gpp,.3gp2, video/3gpp2,.3gpp, video/3gpp,.7z, application/x-7z-compressed, , audio/audible, , audio/aac, , application/octet-stream, , , 3, audio/ac3, , application/octet-stream, , , , application/msaccess, , , , application/msaccess, , , , application/msaccess, , , , , , application/internet-property-stream, , text/xml, , application/msaccess, , application/x-bridge-url, , application/msaccess, , , , audio/aac, , application/octet-stream, , application/postscript, , audio/x-aiff, , audio/aiff, , audio/aiff, , -application-installer-packagezip, , application/x-mpeg, , application/x-ms-application, , image/x-jg, , application/xml, , application/xml, , application/xml, , application/octet-stream, , video/x-ms-asf, , application/xml, , application/octet-stream, , text/plain, , application/xml, , application/xml, , video/x-ms-asf, , video/x-ms-asf, , application/atomxml, , audio/basic, , video/x-msvideo, , application/olescript, , text/plain, , application/x-bcpio, , application/octet-stream, , image/bmp,.c, text/plain, , application/octet-stream, , audio/x-caf, , , , , , text/plain, , text/plain, , audio/aiff, , application/x-cdf, , application/x-x509-ca-cert, , application/octet-stream, , application/x-java-applet, , application/x-msclip, , image/x-cmx, , text/plain, , image/cis-cod, , application/xml, , text/x-ms-contact, , application/xml, , application/x-cpio, , text/plain, , application/x-mscardfile, , application/pkix-crl, , application/x-x509-ca-cert, , text/plain, , text/plain, , application/x-csh, , text/plain, , text/css, , text/csv, , application/octet-stream, , text/plain, , application/octet-stream, , application/xml, , text/plain, , application/x-director, , text/plain, , application/octet-stream, , application/x-x509-ca-cert, , application/xml, , image/bmp, , video/x-dv, , application/x-director, , text/xml, , application/x-msdownload, , text/xml, , text/dlm, , application/msword, , 12, , , , application/msword, , 12, , , , application/octet-stream, , text/plain, , text/xml, , text/xml, , video/x-dv, , application/x-dvi, , drawing/x-dwf, , application/octet-stream, , application/x-director, , message/rfc822, , application/octet-stream, , application/octet-stream, , application/postscript, , application/etl, , text/x-setext, , application/envoy, , application/octet-stream, , text/xml, , , , application/fractals, , Application/xml, , application/octet-stream, , x-world/x-vrml, , video/x-flv, , application/fsharp-script, , application/fsharp-script, , application/xml, , image/gif, , text/x-ms-group, , audio/x-gsm, , application/x-gtar, , application/x-gzip,.h, text/plain, , application/x-hdf, , text/x-hdml, , application/x-oleobject, , application/octet-stream, , application/octet-stream, , application/winhlp, , text/plain, , application/mac-binhex40, , application/hta, , text/x-component, , text/html, , text/html, , text/webviewhtml, , application/xml, , application/xml, , application/octet-stream, , application/xml, , application/xml, , application/octet-stream, , application/octet-stream, , application/xml, , application/octet-stream, , application/octet-stream, , application/octet-stream, , text/html, , application/xml, , application/octet-stream, , text/plain,.i, text/plain, , image/x-icon, , application/octet-stream, , text/plain, , image/ief, , application/x-iphone, , text/plain, , application/octet-stream, , text/plain, , application/x-internet-signup, , application/x-itunes-ipa, , application/x-itunes-ipg, , text/plain, , application/x-itunes-ipsw, , text/x-ms-iqy, , application/x-internet-signup, , application/x-itunes-ite, , application/x-itunes-itlp, , application/x-itunes-itms, , application/x-itunes-itpc, , video/x-ivf, , application/java-archive, , application/octet-stream, , application/liquidmotion, , application/liquidmotion, , image/pjpeg, , application/x-java-jnlp-file, , application/octet-stream, , image/jpeg, , image/jpeg, , image/jpeg, , application/x-javascript, , text/jscript, , text/plain, , application/x-latex, -ms, application/windows-libraryxml, , application/x-ms-reader, , application/xml, , application/octet-stream, , video/x-la-asf, , text/plain, , video/x-la-asf, , application/octet-stream,.m13, application/x-msmediaview,.m14, application/x-msmediaview,.m1v, video/mpeg,.m2t, -tts,.m2ts, -tts,.m2v, video/mpeg,.m3u, audio/x-mpegurl,.m3u8, audio/x-mpegurl,.m4a, audio/m4a,.m4b, audio/m4b,.m4p, audio/m4p,.m4r, audio/x-m4r,.m4v, video/x-m4v, , image/x-macpaint, , text/plain, , application/x-troff-man, , application/x-ms-manifest, , text/plain, , application/xml, , application/msaccess, , application/x-msaccess, , application/msaccess, , application/octet-stream, , application/x-troff-me, , application/x-shockwave-flash, , message/rfc822, , message/rfc822, , audio/mid, , audio/mid, , application/octet-stream, , text/plain, , application/x-smaf, , text/xml, , application/x-msmoney, , video/mpeg, , video/quicktime, , video/x-sgi-movie, 2, video/mpeg, 2v, video/mpeg, 3, audio/mpeg, 4, video/mp4, 4v, video/mp4, , video/mpeg, , video/mpeg, , video/mpeg, , -mediapackage, , video/mpeg, , -project, 2, video/mpeg, , video/quicktime, , application/x-troff-ms, , application/octet-stream, , application/octet-stream, , -tts, , application/xml, , application/x-msmediaview, , application/x-miva-compiled, , application/x-mmxp, , application/x-netcdf, , video/x-ms-asf, , message/rfc822, , application/octet-stream, , application/oda, , text/x-ms-odc, , text/plain, , text/plain, , , , application/oleobject, , , , application/onenote, , application/onenote, , application/onenote, , application/onenote, , application/onenote, 2, application/onenote, , application/xml, , application/opensearchdescriptionxml,.p10, application/pkcs10,.p12, application/x-pkcs12,.p7b, application/x-pkcs7-certificates,.p7c, application/pkcs7-mime,.p7m, application/pkcs7-mime,.p7r, application/x-pkcs7-certreqresp,.p7s, application/pkcs7-signature, , image/x-portable-bitmap, , application/x-podcast, , image/pict, , application/octet-stream, , application/octet-stream, , application/pdf, , application/octet-stream, , application/octet-stream, , application/x-pkcs12, , image/x-portable-graymap, , image/pict, , image/pict, , text/plain, , text/plain, , , , audio/scpls, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , application/x-perfmon, , image/png, , image/x-portable-anymap, , image/x-macpaint, , image/x-macpaint, , image/png, , -powerpoint, , 12, , , , -powerpoint, , 12, , image/x-portable-pixmap, , -powerpoint, , 12, , , , -powerpoint, , 12, , , , application/pics-rules, , application/octet-stream, , application/octet-stream, , application/postscript, 1, application/PowerShell, , application/octet-stream, , application/xml, , application/octet-stream, , application/octet-stream, , application/x-mspublisher, , -powerpoint, , text/x-html-insertion, , text/x-html-insertion, , video/quicktime, , image/x-quicktime, , image/x-quicktime, , application/x-quicktimeplayer, , application/octet-stream, , audio/x-pn-realaudio, , audio/x-pn-realaudio, , application/octet-stream, , image/x-cmu-raster, , application/rat-file, , text/plain, 2, text/plain, , text/plain, , application/xml, , application/xml, , -realflash, , image/x-rgb, , text/plain, , -realmedia, , audio/mid, , -rnmusicpackage, , application/x-troff, , audio/x-pn-realaudio-plugin, , text/x-ms-rqy, , application/rtf, , text/richtext, , application/xml,.s, text/plain, , application/x-safari-safariextz, , application/x-msschedule, , text/scriptlet, 2, audio/x-sd2, , application/sdp, , application/octet-stream, -ms, application/windows-search-connectorxml, , application/set-payment-initiation, , application/set-registration-initiation, , application/xml, , application/x-sgimb, , text/sgml, , application/x-sh, , application/x-shar, , text/html, , application/x-stuffit, , application/xml, , application/xml, , 12, , , , -excel, , text/plain, -ms, application/x-ms-license, , audio/x-smd, , application/octet-stream, , audio/x-smd, , audio/x-smd, , audio/basic, , application/xml, , application/octet-stream, , text/plain, , text/plain, , application/x-pkcs7-certificates, , application/futuresplash, , application/x-wais-source, , text/plain, , text/xml, , application/streamingmedia, , , , , 4cpio, application/x-sv4cpio, 4crc, application/x-sv4crc, , application/xml, , application/x-shockwave-flash,.t, application/x-troff, , application/x-tar, , application/x-tcl, , application/xml, , application/xml, , application/x-tex, , application/x-texinfo, , application/x-texinfo, , application/x-compressed, , -officetheme, , application/octet-stream, , image/tiff, , image/tiff, , text/plain, , text/plain, , application/octet-stream, , application/x-troff, , application/x-msterminal, , application/xml, , -tts, , text/tab-separated-values, , application/octet-stream, , -tts, , text/plain,.u32, application/octet-stream, , text/iuls, , text/plain, , application/x-ustar, , text/plain, , text/plain, , video/mpeg, , text/plain, , text/vbscript, , text/x-vcard, , Application/xml, , text/plain, , Application/xml, , text/plain, , text/plain, , text/plain, , , , text/xml, , application/xml, , text/xml, , , , application/ms-vsi, , application/vsix, , text/xml, , text/xml, , application/xml, , text/plain, , , , text/plain, , text/xml, , text/plain, , , , text/xml, , application/x-ms-vsto, , , , , , , , audio/wav, , audio/wav, , audio/x-ms-wax, , application/msword, , , , -works, , -works, , -photo, , application/x-safari-webarchive, , application/xml, , application/xml, , application/msword, , -works, , application/wlmoviemaker, , application/x-wlpg-detect, 3, application/x-wlpg3-detect, , video/x-ms-wm, , audio/x-ms-wma, , application/x-ms-wmd, , application/x-msmetafile, , , , , , , , , , video/x-ms-wmp, , video/x-ms-wmv, , video/x-ms-wmx, , application/x-ms-wmz, , -wpl, , -works, , application/x-mswrite, , x-world/x-vrml, , x-world/x-vrml, , text/scriptlet, , text/xml, , video/x-ms-wvx,.x, application/directx, , x-world/x-vrml, , application/xamlxml, , application/x-silverlight-app, , application/x-ms-xbap, , image/x-xbitmap, , text/plain, , application/xhtmlxml, , application/xhtmlxml, , -excel, , 12, , -excel, , -excel, , -excel, , -excel, , -excel, , -excel, , 12, , 12, , , , -excel, , 12, , , , -excel, , text/xml, , application/xml, , x-world/x-vrml, , text/plain, , image/x-xpixmap, , -xpsdocument, -ms, text/xml, , application/xml, , text/xml, , text/xml, , text/xml, , text/xml, , application/octet-stream, , application/xml, , application/octet-stream, , image/x-xwindowdump,.z, application/x-compress, , application/x-zip-compressed, endregion ;
You could utilize the table provided from Apache s httpd. It ought to be trivial to map this to a function, dictionary, list, etc.
Also, as seen here, extension-mime type will not be necessarily a function. There might be multiple common MIME types per file extension, so you must look on the requirements of your respective application, to see why you cherish MIME types, what you can do with them, etc. Can you use file extensions to key a similar behavior? Do you need to see the initial bytes of any file to ascertain its MIME type likewise?
Inspired by Samuels answer, I wrote a better version:
Also works when extension is uppercase.
Take filename as input, handle files without extensions gracefully.
The resulting source code has ended 30K characters so I cant post it here, check it on Github:
It is definitely not necessary the mime type calculated with the extention in the file is going to be always right.
lets say i am able to save data extention even so the fileformat i'm able to set as.
So with this case the file which you is going to be calculating, will supply a different it could result in big size file compared to the original.
If you are working together with images then you can make use of the imagecodecInfo and ImageFormat.
also do let me know when you find a much better solution because of this.
handle the file extension rather than the Mime. The user can alter the file extension, so look into the Mime. The codes examples associate Mime by file extension, this can be wrong and rule isn't followed.
this file according for the file extension. Now, how to have the
Now if I currently have the file, as caught your ContentType?
Expert Review for Vendor and Personal Trees.
Ned Freed primary, Murray Kucherawy secondary, Mark Baker secondary, Bjoern Hoehrmann secondary
Per Section 3.1 of RFC6838, Standards Tree requests made through IETF documents will likely be reviewed and approved from the IESG, while requests produced by other recognized standards organizations is going to be reviewed because of the Designated Expert in accordance together with the Specification Required policy. IANA will verify that organization is recognized being a standards organization through the IESG.
RFC2046 specifies that Media Types formerly often known as MIME types and Media Subtypes will likely be assigned and listed because of the IANA. Procedures for registering Media Types could be found in RFC6838, RFC4289, and RFC6657. Additional procedures for registering media types for transfer via Real-time Transport Protocol RTP might be found in RFC4855. The following is the report on Directories of Content Types and Subtypes. If you wish to register a Media Type using the IANA, please begin to see the following for that online application: Application for registration of Media Types Other Media Type Parameters: IANA registry media-types-parameters Media Type Sub-Parameters: IANA registry media-type-sub-parameters
OBSOLETE; no replacement given
The example media type can be used for examples. Any subtype pursuing the media type syntax may be utilized in those examples. No subtype is usually registered with IANA. For more information see RFC4735. Note: The occurrence of one example media type like a media type beyond examples, in a very Content-Type header, can be an error and really should be reported towards the implementor. RFC2045 RFC2046 specifies that Content Types, Content Subtypes, Character Sets, Access Types, and conversion values for MIME mail will likely be assigned and listed because of the IANA.
No registrations at the moment.
See RFC6657 for specifics of charset parameter handling for text media types.
American Society of Heating, Refrigerating and Air-Conditioning Engineers ASHRAE
The National Archives, UK
Mark Nottingham, see registration template for e-mail
OASIS Security Services Technical Committee SSTC, see registration template for e-mail
RFC2046 specifies that Media Types formerly called MIME types and Media Subtypes are going to be assigned and listed from the IANA. Procedures for registering Media Types could be found in RFC6838, RFC4289, and RFC6657. Additional procedures for registering media types for transfer via Real-time Transport Protocol RTP might be found in RFC4855. The following is the listing of Directories of Content Types and Subtypes. If you wish to register a Media Type together with the IANA, please begin to see the following with the online application: Application for registration of Media Types Other Media Type Parameters: IANA registry media-types - parameters Media Type Sub-Parameters: IANA registry media - type - sub-parameters
The example media type can be used for examples. Any subtype following a media type syntax may supply in those examples. No subtype could be registered with IANA. For more information see RFC4735. Note: The occurrence of a good example media type to be a media type outside examples, within a Content- Type header, is surely an error and must be reported for the implementor. RFC2045 RFC2046 specifies that Content Types, Content Subtypes, Character Sets, Access Types, and conversion values for MIME mail are going to be assigned and listed through the IANA.