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.
.psb - Adobe Photoshop Large Document Format
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 oxps - Windows 8 OpenXPS document file
file extension part - Partial download file
file extension mp4 - MPEG-4 video file format
file extension rar - WinRAR RAR compressed archive
file extension 3ga - Audio file for wireless networks
file extension vcf - vCard file
file extension docx - Microsoft Word Open XML document file
file extension mkv - Matroska video-audio multimedia file
file extension flac - Audio files encoded by Flac - free lossless audio codec
file extension pages - iWork Pages document file
file extension pptx - Microsoft PowerPoint Open XML presentation file
file extension one - Microsoft OneNote document file
file extension pub - Microsoft Publisher 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 idx - Index file
file extension odt - ODF text document file
file extension cds - ConceptDraw Pro slide show file
file extension caf - Cal3D binary animation file
file extension cff - Compact Font file
file extension sin - Xperia system loader file
file extension spl7 - sPlan data file
file extension cpi - AVCHD clip information file
file extension nbib - Citation manager citation file
file extension bnp - Sony HD camera system file