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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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.
.gdb - Database file
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 pdf - Adobe Portable document format
file extension dwg - AutoCAD drawing
file extension rar - WinRAR RAR compressed archive
file extension oxps - Microsoft OpenXPS document
file extension pages - Pages document
file extension part - Partial download file
file extension vsdx - Microsoft Visio drawing
file extension numbers - Apple Numbers spreadsheet
file extension cdr - CorelDRAW vector or bitmap graphics
file extension jpg - JPEG bitmap image format
file extension epub - Open Publication structure eBook
file extension skp - SketchUp graphics
file extension json - JavaScript object notation data interchange format
file extension srt - SubRip video subtitle 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 ginspect_prj - GOM Inspect project
file extension wra - Wraptor compressed archive
file extension agz - AggFlow aggregate plant flow diagram
file extension 044 - Compressed archive
file extension 3x - Cygwin main data
file extension $vm - Windows 3.x Virtual Manager temporary data
file extension wxp - EXP for Windows document
file extension tcm - INMOS Transputer Development System Occam comment text
file extension $$p - OS/2 notes data
file extension ipe - Wacom Pen system.ini and win.ini backup
file extension frt - GP-Forth language source code
file extension ecl - Touhou stage script
file extension ecl - Active Media Eclipse Screensaver Maker project
file extension icn - RIPTerm picture image
file extension icn - Creator OpenFlight model
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