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File Extensions

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

717
Indexed file extensions

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717 extensions
.SVG

Scalable Vector Graphics

Image
.XSL

Extensible Stylesheet Language

Data
.RTF

Rich Text Format

Document
.SQLITE

SQLite Database File

Data
.TAR.GZ

Tape Archive compressed with Gzip

Archive
.QCOW2

QEMU Copy On Write version 2

Data
.ZIP

ZIP Archive (containing SFC/SMC ROM images)

Archive
.JS

JavaScript File

Programming
.XLSX

Microsoft Excel Open XML Spreadsheet

Data
.FLAC

Free Lossless Audio Codec

Audio
.IMG

Disk Image File

Data
.DYLIB (DYNAMIC LIBRARY - MACOS)

Dynamic Library (macOS)

Executable
.DLL

Dynamic Link Library

Executable
.ACIS (.SAT)

ACIS Solid Model

Data
.BTM

Batch To Memory

Executable
.PS1

PowerShell Script

Programming
.APKS

Android Package Set Archive

Archive
.JPEG

Joint Photographic Experts Group

Image
.ISO

International Organization for Standardization (ISO) Disk Image

Archive
.FBX

Filmbox

Data
.YAML

YAML Ain't Markup Language

Data
.AAC

Advanced Audio Coding

Audio
.EXE

Executable File

Executable
.IPA

iOS App Package

Archive

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.