File extensions sample

File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot.
File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file.
 

File-extensions.org library contains thousands of file extensions and the database is still growing.  
A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.
 

Latest articles

Check out the recently published articles related to file extensions, tutorials or software tips.

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I want to convert from      to    

Begin your search by entering the source and target file type specified by their file extensions. For example simply try flac to mp3.

File extension of the day

Random daily pick from File-Extensions.org's database.

mxdl file icon.mxdl - Maxthon incomplete download

For an overview of common file types,
visit the common file extensions page, which includes a list of the most important computer file formats you should know.

Popular file extensions

List of the most visited file extension records. Click on the link below for more details and software associations.

apk file extension icon file extension apk - Google Android application package

pdf file extension icon file extension pdf - Adobe Portable document format

default file extension icon file extension oxps - Microsoft OpenXPS document

jpg file extension icon file extension jpg - JPEG bitmap image format

pages file extension icon file extension pages - Pages document

mp4 file extension icon file extension mp4 - MPEG-4 video file format

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

rar file extension icon file extension rar - WinRAR RAR compressed archive

srt file extension icon file extension srt - SubRip video subtitle format

mp3 file extension icon file extension mp3 - Compressed audio and music file, mp3 songs or ringtones

default file extension icon file extension part - Partial download file

cdr file extension icon file extension cdr - CorelDRAW vector or bitmap graphics

crdownload file extension icon file extension crdownload - Google Chrome incomplete download

default file extension icon file extension json - JavaScript object notation data interchange format

default file extension icon file extension epub - Open Publication structure eBook

Recently updated file extensions

The file extension database is maintained and improved on daily basis. Here you can check last updated entries.

default file extension icon file extension cbmap - Containment Breach map

default file extension icon file extension dmd - OS/2 Warp device manager driver

default file extension icon file extension 5xe - Line 6 POD HD500X edit preset

default file extension icon file extension cas - Atari cassette image

default file extension icon file extension sgb - SEG-B seismic data file

ath file extension icon file extension ath - Alphacam lathe thread data

q0 file extension icon file extension q0 - Japanese Q0 bitmap image

default file extension icon file extension btd - Power To-Do List data file

plm file extension icon file extension plm - DisorderTracker2 module

default file extension icon file extension sb - Microsoft Small Basic source code

default file extension icon file extension ceg - Tempra Show bitmap graphic file

default file extension icon file extension etp - Visual Studio .NET data

default file extension icon file extension pm - Trainz progressive mesh file

med file extension icon file extension med - Corel WordPerfect Macro Editor delete save file

default file extension icon file extension piece_part - PiecePart file

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

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