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File Extensions

Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.

1
Indexed file extensions
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.DOCX .7Z .AUTOCAD (DWG, DXF) .PDF .TXT .OBJ (.OBJ)

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Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.

Search by extension Enter extensions like PDF, APK, DAT, HEIC, ZIP, or DOCX.
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1 extensions
Image Letter: G Clear all
.GIF

Graphics Interchange Format

The Graphics Interchange Format (GIF) is a bitmap image format that was introduced by CompuServe in 1987. It has since become widely u…

Image
.GIF

Graphics Interchange Format

The Graphics Interchange Format (GIF) is a bitmap image format that was introduced by CompuServe in 1987. It has since become widely used on the World Wide Web…

Image

Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.