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.
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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.
.encm - Panasonic encrypted video
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.
file extension apk - Google Android application package
file extension oxps - Microsoft OpenXPS document
file extension pdf - Adobe Portable document format
file extension jpg - JPEG bitmap image format
file extension mp4 - MPEG-4 video file format
file extension rar - WinRAR RAR compressed archive
file extension cdr - CorelDRAW vector or bitmap graphics
file extension epub - Open Publication structure eBook
file extension part - Partial download file
file extension srt - SubRip video subtitle format
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension one - Microsoft OneNote document
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension docx - Microsoft Word Open XML document
file extension json - JavaScript object notation data interchange format
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension opax - Microsoft Office Customization Tool (OCT) standard settings
file extension ipsw - iPhone, iPad or iPod Touch iOS software firmware update
file extension dab - Autodesk rainfall distribution table
file extension jp2_ - JPEG 2000 picture image
file extension ecd - LabelMaker CD/DVD label
file extension vfs1 - Metro 2033 game data
file extension vfi - Metro 2033 game data
file extension omb - Omnibus Offline Web Storage data
file extension lbe - Life Balance xml-based exchange data
file extension ipp - Help & Manual proprietary image
file extension gdz - Genbox Family History data initialization file
file extension hdp - HD Photo
file extension upx - Ulead Photo Express saved image file
file extension cgf - Asm Objasm data
file extension gba - GrabIt batch file
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