WOFF File Documentation

Overview

Feature Value
Format WOFF (Web Open Font Format)
Version 1.0 and 2.0
MIME Type font/woff for WOFF 1.0, font/woff2 for WOFF 2.0
Developed By Mozilla Foundation
File Extension .woff for WOFF 1.0, .woff2 for WOFF 2.0
Compression Lossless for both WOFF 1.0 and 2.0
Primary Use Delivery of font files over the Web
Encoding Compressed collection of OpenType or TrueType fonts
Subsetability Fonts can be subsetted to reduce file size
Metadata Support Contains metadata about the fonts
License Information Possible to include font licensing information within the file
Advantages Faster loading times due to compression
Web Standard Recommended by the World Wide Web Consortium (W3C)
Browser Support Supported by all modern web browsers
Block Compression Supports block compression with Brotli algorithm (WOFF 2.0)
Uses Web design, web applications, and accessible document creation
Optimization Optimized for web usage, minimizing bandwidth and loading time
Security Includes mechanisms to minimize font piracy
Scalability Fonts can scale to any size without loss in quality
Modification Editable with font-editing software