An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' su...
A .GRD file is a grid data file format primarily associated with Golden Software's Surfer software. Surfer is a powerful...
The FDS file extension is associated with Final Draft, a screenwriting software application widely used in the film and ...
The Web Open Font Format (WOFF) is a font format for use in web pages. It was developed to provide lossless compression ...
A DDL (Data Definition Language) file contains commands used to define the structure of a database. These commands are p...
A .psql file is a plain text file containing SQL queries designed to be executed against a PostgreSQL database. These fi...
The Design Web Format (DWF) is an Autodesk file format for efficiently distributing rich design data to anyone who needs...
FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardiz...
TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries as independent sets of co...
The 3DM file format is a file extension used by Rhinoceros 3D, a popular NURBS (Non-Uniform Rational B-Splines) modeling...
Parasolid files, typically with extensions like .x_t (text) or .x_b (binary), are a common format for representing 3D so...
Well-known Text (WKT) is a text markup language for representing vector geometry objects. It's a human-readable text for...
X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successo...
A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text f...
KMZ files are compressed archives containing a KML (Keyhole Markup Language) file and any supporting files, such as imag...
The .drawio file format is used by draw.io (now diagrams.net), a free, open-source diagramming application. It stores di...
An '.env' file is a plain text file that stores environment variables. These variables are key-value pairs that define t...
DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. ...
MessagePack is a binary serialization format. It is used for efficient data interchange between different programming la...
The ASX file format, short for Advanced Stream Redirector, is a type of XML-based metafile used by Microsoft's Windows M...
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...
TRN files are typically associated with training data used in machine learning and artificial intelligence applications....
The IGES (Initial Graphics Exchange Specification) file format is a vendor-neutral file format that allows the digital e...
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.