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File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

725
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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725 extensions
.SLIM

Slim Framework Template

Programming
.REG

Registry Entries

Data
.SDB

StarOffice Database

Data
.ECW

Enhanced Compressed Wavelet

Image
.ASCII GRID

ASCII Grid

Data
.BINARY (.BIN)

Binary File

Data
.M4R

MPEG 4 Ringtone

Audio
.TRN

TRN

Data
.X3D

Extensible 3D Graphics

Data
.STEP

Standard for the Exchange of Product Data

Data
.ASCIIDOC

AsciiDoc

Data
.MNG

Multiple-image Network Graphics

Image
.MOT

Motorola S-Record

Data
.WEBARCHIVE

Safari Web Archive

Archive
.XSPF

XML Shareable Playlist Format

Data
.JSX

JavaScript XML

Programming
.SQL

Structured Query Language File

Data
.ESRI GRID

Esri Grid

Data
.M3U8

HTTP Live Streaming Playlist

Video
.PKF

Adobe Audition Peak File

Audio
.VUE

Vue Single-File Component

Programming
.TOPOJSON

TopoJSON

Data
.DXF

Drawing Exchange Format

Data
.POL

Plain Old Telephone

Data
.SLIM

Slim Framework Template

Programming
.REG

Registry Entries

Data
.SDB

StarOffice Database

Data
.ECW

Enhanced Compressed Wavelet

Image
.ASCII GRID

ASCII Grid

Data
.BINARY (.BIN)

Binary File

Data
.M4R

MPEG 4 Ringtone

Audio
.TRN

TRN

Data
.X3D

Extensible 3D Graphics

Data
.STEP

Standard for the Exchange of Product Data

Data
.ASCIIDOC

AsciiDoc

Data
.MNG

Multiple-image Network Graphics

Image
.MOT

Motorola S-Record

Data
.WEBARCHIVE

Safari Web Archive

Archive
.XSPF

XML Shareable Playlist Format

Data
.JSX

JavaScript XML

Programming
.SQL

Structured Query Language File

Data
.ESRI GRID

Esri Grid

Data
.M3U8

HTTP Live Streaming Playlist

Video
.PKF

Adobe Audition Peak File

Audio
.VUE

Vue Single-File Component

Programming
.TOPOJSON

TopoJSON

Data
.DXF

Drawing Exchange Format

Data
.POL

Plain Old Telephone

Data
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Page 12 of 31

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.