WOFF2 is a font format designed for use on the web. It stands for Web Open Font Format 2 and is an improvement over its predecessor, WOFF. WOFF2 compresses font files more efficiently, which helps reduce loading times and improves website performance. This format is widely supported by modern web browsers, making it a popular choice for web developers. By using WOFF2, designers can ensure that their custom fonts are delivered quickly and accurately to users, enhancing the overall visual experience of websites while maintaining compatibility across different devices.