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 macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the 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.
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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's database.
.ai - Adobe Illustrator graphics
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 rar - WinRAR RAR compressed archive
file extension mp4 - MPEG-4 video file format
file extension jpg - JPEG bitmap image
file extension docx - Microsoft Word Open XML document
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension epub - Open Publication structure e-book
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension part - Partial download
file extension oxps - Microsoft OpenXPS document
file extension xapk - Google Android XAPK application package
file extension dwg - AutoCAD drawing
file extension ris - Research Information Systems citation
file extension crdownload - Google Chrome incomplete download
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension tns - TI-Nspire document
file extension dft - Solid Edge drawing
file extension 004 - Compressed file from a multi-volume archive (part 4)
file extension bbb - BlackBerry backup (post 2012)
file extension sor - Adobe Flash Media Server file system object
file extension jt - JT Open CAD 3D model format
file extension qcn - Qualcomm QPST drive backup
file extension ino - Inno Setup script
file extension xlog - Logging XML database log
file extension circ - Logisim circuit data
file extension s - Source code
file extension 20 - Salt Lake city game music data
file extension db-journal - SQLite database journal file
file extension nef - Nikon Digital SLR camera RAW image
file extension step - ISO-10303 STEP product data file
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