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.
.qcn - Qualcomm QPST drive backup
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 epub - Open Publication structure eBook
file extension part - Partial download file
file extension cdr - CorelDRAW vector or bitmap graphics
file extension srt - SubRip video subtitle format
file extension one - Microsoft OneNote document
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
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 config - Configuration file
file extension rdl - Bentley MicroStation redline data
file extension ldl - Corel Paradox delivered library file
file extension seek - Word List Expert seek list file
file extension mga - Manga comics document file
file extension jsk - jetAudio file
file extension sfn - EasySIGN font
file extension ipch - Microsoft Visual C++ Intellisense precompiled header file
file extension msq - Multimedia Workshop audio file
file extension 85 - Ventura Publisher 85x85 dpi display font
file extension nmr - wxNUTS histogram data
file extension cm4 - ClipMate data file
file extension bri - Open Text FirstClass file
file extension ldz - Microsoft Visual Studio DSM project file
file extension ib2 - IncrediBots world map file
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