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.
.h264 - H.264 video 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
file extension pdf - Adobe Portable document format
file extension part - Partial download file
file extension mp4 - MPEG-4 video file format
file extension oxps - Windows 8 OpenXPS document file
file extension rar - WinRAR RAR compressed archive
file extension 3ga - Audio file for wireless networks
file extension docx - Microsoft Word Open XML document file
file extension mkv - Matroska video-audio multimedia file
file extension pptx - Microsoft PowerPoint Open XML presentation 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 aif - Symbian OS EPOC application information file
file extension aidl - Google Android AIDL interface file
file extension ai - Rise of Nations game file
file extension ai - AIwin project file
file extension ai - Progress database after image file
file extension ai - Mopac Internal chemical modeller output file
file extension ai - Advantage Database Server file
file extension ai - Battlefield 2 artifical intelligence file
file extension ahx - WinAHX tracker module file
file extension ahs - Adobe Photoshop halftone screens file