STEP (Standard for the Exchange of Product Data) files, identified by the extensions .stp or .step, are a widely used IS...
The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Ad...
JSON (JavaScript Object Notation) is a lightweight, human-readable data-interchange format. It is widely used for transm...
A CSV (Comma-Separated Values) file is a plain text file that stores tabular data (numbers and text) in a simple, struct...
A .mdmp file, short for Minidump file, is a crash dump file format used by the Windows operating system and other applic...
glTF (GL Transmission Format) is a royalty-free, open standard for 3D scene and model transmission, developed by the Khr...
The STL (Stereolithography) file format is a widely used file format for representing 3D surface geometry. It is primari...
The Drawing Exchange Format (DXF) is a CAD (Computer-Aided Design) data file format developed by Autodesk for enabling d...
Parasolid files, typically with extensions like .x_t (text) or .x_b (binary), are a common format for representing 3D so...
The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel 2007. It's based on ...
The IGES (Initial Graphics Exchange Specification) file format is a vendor-neutral file format that allows the digital e...
A .tmp file is a generic temporary file created by various programs and operating systems. These files are used to hold ...
SQLite is a self-contained, serverless, zero-configuration, transactional SQL database engine. It is embedded into the e...
The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Corporation (now part ...
YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that is often used for configuration f...
The PLY file format, also known as the Polygon File Format or Stanford Triangle Format, is a computer file format design...
XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting XML (Extensible Marku...
The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exch...
DWG is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the ...
The USDZ file format is a zipped and uncompressed archive format developed by Pixar and Apple for storing 3D models and ...
The DAE file extension represents a Digital Asset Exchange file, which is a COLLADA (COLLAborative Design Activity) file...
HDF5 (Hierarchical Data Format version 5) is an open-source file format designed to store and organize large amounts of ...
An '.env' file is a plain text file that stores environment variables. These variables are key-value pairs that define t...
Apache Parquet is a columnar storage format optimized for use with big data processing frameworks. Unlike row-oriented f...
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.