Discover File Extensions

Learn about file formats, find the right software, and understand what each extension means.

Popular searches:
.psb .vbs .ts .asp.net .ogg .odt
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File Categories

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Archive

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Audio

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Data

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Document

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Executable

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Image

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Programming

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Video

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Popular File Extensions

Most searched file types and formats

. psb

Photoshop Big

Image
345 views
. vbs

Visual Basic Script

Programming
340 views
. ts

MPEG Transport Stream

Video
332 views
. asp.net

ASP.NET Web Page

Programming
310 views
. ogg

Ogg Vorbis

Audio
299 views
. odt

OpenDocument Text Document

Document
298 views
. mp3

MPEG Audio Layer III

Audio
294 views
. xsl

Extensible Stylesheet Language

Data
288 views
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How We Help You

Discover everything you need to know about file extensions

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Search for any file extension to discover what it is, how to open it, and what it's used for.

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Software Compatibility

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Find Alternatives

Discover alternative file formats with similar functionality when you need more compatibility.

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Frequently Asked Questions

Common Questions

Everything you need to know about file extensions

A1: ExtensionAI is an AI-powered platform designed to help users identify unfamiliar file types, understand their compatibility, and find practical solutions for opening or converting them.

A2: ExtensionAI was created to solve a common problem: encountering file types that users do not recognize and not knowing which software can open them.

ExtensionAI uses an extensive database of file extensions combined with AI algorithms to identify file types, suggest compatible software, and offer alternatives or solutions for common file-related issues.

ExtensionAI provides guidance on almost all known file types, including document, image, audio, video, archive, and executable files. It recommends software and methods to open them safely.