File Types

An OpenType font containing multiple styles (weight, width, slant) in a single file using variation axes. Reduces the number of font files needed for web typography.

An Apache Java-based template engine using a simple template language (VTL). Historically used in Apache tools and Java web applications for separating view from logic.

A hardware description language (HDL) used to model and design digital circuits and FPGA configurations.

Configuration file for Vite, a fast frontend build tool using native ES modules for development and Rollup for production bundling.

A Vue.js Single-File Component combining template, script, and style blocks in one file for building web user interfaces.

Web Application Archive: a JAR file used to distribute Java web applications, containing servlets, JSP pages, HTML, and configuration files.

Web ARChive: an ISO standard format for storing web crawl data including HTTP headers, page content, and metadata. Used by the Internet Archive and web preservation projects.

WebAssembly: a binary instruction format for a stack-based virtual machine enabling near-native performance in web browsers.

WebAssembly Text Format: the human-readable text representation of WebAssembly binary code using S-expression syntax. Used for debugging and hand-writing WASM modules.

Waveform Audio File Format: a Microsoft and IBM audio file format standard for storing raw, uncompressed audio on PCs. It is based on the RIFF container format.

WebGPU Shading Language: the shader language for the WebGPU API, designed for GPU compute and rendering on the web.

Windows Imaging Format: a file-based disk image format used by Microsoft for deploying Windows operating systems and Windows PE.

Well-Known Text: a text markup language for representing geometric objects and coordinate reference systems in GIS applications.

Windows Media Audio: a series of audio codecs developed by Microsoft. It includes lossy, lossless, and voice variants for various audio compression needs.

Windows Metafile: a 16-bit vector graphics format for Windows. It can contain both vector and raster components and is used in Microsoft Office clip art.

Windows Media Video: a series of video codecs and container formats developed by Microsoft. It was widely used for streaming and downloading video in the Windows ecosystem.

Web Open Font Format: a compressed font format designed specifically for web use. It wraps TrueType or OpenType fonts with metadata and compression for faster loading.

Web Open Font Format 2.0: the successor to WOFF using Brotli compression for ~30% better compression. It is the recommended font format for modern web development.

WordPerfect Document: the native document format for Corel WordPerfect, once the dominant word processor before Microsoft Word.

Web Services Description Language: an XML-based language for describing SOAP web service functionality, endpoints, and data types.