The VDX file format is an XML-based drawing file format used by older versions of Microsoft Visio (specifically Visio 20...
The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Group at the Universit...
A .CATPart file is a 3D CAD (Computer-Aided Design) part file created by CATIA (Computer-Aided Three Dimensional Interac...
The .ttf file extension represents a TrueType Font file. TrueType is a font standard developed by Apple and Microsoft in...
An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineer...
An EVTX (Event Log XML) file is a proprietary file format used by Microsoft Windows operating systems to store system an...
Parasolid files (.x_t for text format and .x_b for binary format) are CAD (Computer-Aided Design) files used for storing...
A .url file is a type of Internet Shortcut file primarily used by Microsoft Windows operating systems. It is a small tex...
An X.509 Certificate file, commonly identified by the '.crt' extension, is a standard digital document that uses the X.5...
The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geometric modeling kernel...
Protocol Buffers, often shortened to Protobuf, is a language-neutral, platform-neutral, extensible mechanism for seriali...
A .bip file is a Binary Image Partition file, often associated with firmware images for embedded systems and devices. Th...
A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text f...
XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists betwe...
TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries as independent sets of co...
A .sql file is a plain text file containing SQL (Structured Query Language) code. SQL is a standard programming language...
The VSD file format is a proprietary file format used by older versions of Microsoft Visio, a diagramming and vector gra...
A DMP file, short for Memory Dump file, is a snapshot of a computer's memory at a specific point in time. These files ar...
The Web Open Font Format (WOFF) is a font format for use in web pages. It was developed to provide lossless compression ...
3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It ...
MHTML (MIME HTML) is a web page archive format used to combine, in a single document, the HTML code and its associated r...
The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a te...
COLLADA (COLLAborative Design Activity) is an open standard XML schema for exchanging digital assets among various graph...
FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardiz...
Categories are organized by file type purpose: Documents, Images, Audio, Video, Archives, Executables, Data files, and Programming files.
Yes, use the alphabetic filter buttons to quickly find extensions starting with specific letters.
Each extension page includes software compatibility, file descriptions, alternatives, and usage information.