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.
.conf - Configuration information
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 oxps - Windows OpenXPS document
file extension vcf - vCard contacts
file extension epub - Open Publication structure eBook
file extension mp4 - MPEG-4 video file format
file extension docx - Microsoft Word Open XML document
file extension cdr - CorelDRAW vector or bitmap graphics
file extension numbers - Apple Numbers spreadsheet
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension fab - Electronic Source Company Fabmaster data
file extension ub1 - X-Driven DRS-1100 recorded video
file extension gvsp - Geocortex Silverlight project
file extension qgs - Quantum GIS project
file extension website - Internet Explorer 9 pinned site shortcut
file extension htm - HTML Hypertext Markup Language web page
file extension do - Java Servlet
file extension big - Electronic Arts game resource package
file extension abnf - jCard to vCard data
file extension wxy - League of Legends Wooxy skin