File extensions sample

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.
 

Latest articles

Check out the recently published articles related to file extensions, tutorials or software tips.

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I want to convert from      to    

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.

gdoc file icon.gdoc - Link to Google Docs web application document

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.

apk file extension icon file extension apk - Google Android application package

pdf file extension icon file extension pdf - Adobe Portable document format

mp4 file extension icon file extension mp4 - MPEG-4 video file format

rar file extension icon file extension rar - WinRAR RAR compressed archive

jpg file extension icon file extension jpg - JPEG bitmap image

exe file extension icon file extension exe - Program executable

docx file extension icon file extension docx - Microsoft Word Open XML document

mp3 file extension icon file extension mp3 - Compressed audio and music file, mp3 songs or ringtones

default file extension icon file extension ris - Research Information Systems citation

xlsx file extension icon file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet

download file extension icon file extension download - Chrome partial download

default file extension icon file extension part - Partial download

default file extension icon file extension rpt - Report

default file extension icon file extension xapk - Google Android XAPK application package

crdownload file extension icon 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.

default file extension icon file extension tap - ZX Spectrum tape image

default file extension icon file extension sec - Pretty Good Privacy secret key ring file

cpp file extension icon file extension cpp - C++ main source code file format

default file extension icon file extension pgw - Map data

arsc file extension icon file extension arsc - Dalvik Virtual Machine resource pack file

default file extension icon file extension gsheet - Link to Google Sheets web application spreadsheet document

default file extension icon file extension lvm - LabVIEW measurement data

default file extension icon file extension tgs - GSTree phylogenetic tree information data

default file extension icon file extension idx - Index file

default file extension icon file extension atomsvc - Atom Syndication file format

default file extension icon file extension ncz - Netcad drawing file

default file extension icon file extension jpg_160x120 - Android picture image

asec file extension icon file extension asec - Google Android encrypted application package

dmg file extension icon file extension dmg - Apple Mac disk image

bin file extension icon file extension bin - CD/DVD binary image

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

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