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 OS X, and basically telling them, what kind of data and file type they are working with and what associated program opens this 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.
Check out the recently published articles related to file extensions, tutorials or software reviews.
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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 database.
.cpi - AVCHD clip information 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 pdf - Adobe Portable document format
file extension oxps - Windows 8 OpenXPS document file
file extension mp4 - MPEG-4 video file format
file extension apk - Google Android package file
file extension rar - WinRAR RAR compressed archive
file extension doc - Microsoft Word 97 to 2003 document file
file extension flac - Audio files encoded by Flac - free lossless audio codec
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension avi - Audio Video Interleave movie file
file extension mkv - Matroska video-audio multimedia file
file extension pptx - Microsoft PowerPoint 2007/2010 Open XML presentation file
file extension part - Partial download file
file extension crdownload - Google Chrome incomplete download file
file extension xlsx - Microsoft Excel 2007, Excel 2010 and Excel 2013 Open XML workbook file
file extension docx - Microsoft Word 2007/2010 Open XML document file
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension s3i - ScreamTracker v3 instrument file
file extension esproj - MacRabbit Espresso project file
file extension pvpf - PetVille saved game file
file extension nsmp - Nord keyboards sample file
file extension smg - 3DVia Composer model file
file extension fpt - Database memo file
file extension db1 - Tekla structures file
file extension sd3 - Hy-Tek Meet Manager database related file
file extension gpi - Garmin Point of Interest file
file extension abcddb - Apple Address Book database