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.
.cso - CISO compressed ISO image
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 epub - Open Publication structure eBook
file extension vcf - vCard file
file extension mp4 - MPEG-4 video file format
file extension aae - Apple Photos sidecar file
file extension cdr - CorelDRAW vector or bitmap graphics
file extension aspx - Active Server Page Extended ASP.NET script
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 sb2 - Scratch project
file extension sc? - ColoRix bitmap image
file extension _pdf - Adobe Portable Document Format
file extension djanimations - Digital Juice animation data
file extension pcd - Kodak Picture CD multiresolution image
file extension dcr - Kodak Digital Camera Raw Image Format
file extension xdf - TunerPro definition data
file extension xdf - Extended disk format image
file extension spm - Spektrum DX8 transmitter settings
file extension spm - Nanoeducator data