The WebVTT (Web Video Text Tracks) file format is a text-based format used for displaying timed text tracks, such as sub...
A plain text file (.txt) is a simple, unformatted document that contains only text characters, adhering to a character e...
MessagePack is a binary serialization format. It is used for efficient data interchange between different programming la...
The .gnumeric file extension is associated with spreadsheet files created by Gnumeric, a free and open-source spreadshee...
The .ttf file extension represents a TrueType Font file. TrueType is a font standard developed by Apple and Microsoft in...
The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geometric modeling kernel...
The .gliffy file extension is associated with Gliffy diagrams. Gliffy is a web-based diagramming application that allows...
The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a te...
The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a ...
The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the ...
X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successo...
An OBB file is an expansion file used by the Android operating system to store additional data for applications. Because...
The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing objects intended fo...
The Esri Grid format is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It...
3D XML (3D eXtensible Markup Language) is a proprietary XML-based CAD file format developed by Dassault Systèmes. It ...
The 3MF (3D Manufacturing Format) file format is an open-source file format specifically designed for 3D printing. It ai...
Parasolid files (.x_t for text format and .x_b for binary format) are CAD (Computer-Aided Design) files used for storing...
The SDB file extension is primarily associated with StarOffice and OpenOffice.org, specifically their database component...
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software application devel...
FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardiz...
The 'olecontrolextension10' file extension is associated with data related to OLE (Object Linking and Embedding) control...
A VHD (Virtual Hard Disk) file is a disk image format that represents a virtual hard drive. It essentially acts as a con...
HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides the structure and c...
The Web Open Font Format (WOFF) is a font format for use in web pages. It was developed to provide lossless compression ...
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.