File-Extensions.org

File-Extensions.org

File-Extensions.org is a website that provides detailed information about computer file extensions and file types. It has an extensive database of thousands of file extensions with descriptions of what type of file it is, what program opens it, and more.
File-Extensions.org image
file-extensions file-types metadata

File-Extensions.org: Detailed Information on File Extensions

Find the description of your file extension, program associations, and much more on our extensive database of thousands of file extensions.

What is File-Extensions.org?

File-Extensions.org is a comprehensive online database of file extensions and file types. The website provides detailed descriptions and technical information on a wide range of common and obscure file extensions used in various operating systems.

Some of the key features and information provided by File-Extensions.org include:

  • Thousands of file extensions covered - both common extensions like .docx and .pdf as well as more obscure media file types and other file formats.
  • Plain English descriptions of what each file extension is used for and what type of file it represents.
  • Technical details including MIME types, associated software programs, Apple macOS and Linux type codes, and Windows Registry information.
  • Category browsing for quickly finding different groups of file types, such as word processing, audio files, archives, disks images, and more.
  • Search functionality for easily locating information on any particular file extension.
  • Newest and recently updated extensions section.
  • Ability for users to submit missing file extensions or request updates to existing pages.

Overall, File-Extensions.org aims to be an approachable and handy reference for anyone needing more insight on computer file extensions in order to understand different file types or troubleshoot file association issues.

File-Extensions.org Features

Features

  1. Large database of file extensions
  2. Detailed information on file types
  3. File extension descriptions
  4. Program recommendations to open files
  5. File extension search

Pricing

  • Free

Pros

Helpful for identifying unknown file types

Useful reference for file extensions

Covers a wide range of file types

Easy to search and browse

Cons

Information may not be comprehensive for all file types

Limited functionality beyond file extension lookup

Some information may be outdated


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