PowerFox
Two browsers.
Familiar.
Like never before.
PowerFox and PowerFox Classic are secure, modern, and open-source web browsers tailored specifically for your PowerPC or Intel Mac running anything from Mac OS X 10.3 Panther to macOS 10.14 Mojave.
PowerFox is a port of Firefox 153 ESR for Mac OS X 10.7 Lion to macOS 10.14 Mojave, while PowerFox Classic is a UXP-derived browser compatible with Mac OS X 10.3 Panther, 10.4 Tiger, 10.5, Leopard, and 10.6 Snow Leopard.
Bring new life to your aging Mac through a fully-featured web browsing experience.
Security
Security comes first.
Older releases of macOS haven't received security updates from Apple in years, yet PowerFox brings modern security features to keep you safe online — from TLS 1.3 support to compliance with modern cipher suites and regular security patches.
View Changelog ›
Language Packs
We speak your language.
我们说您的语言。
PowerFox supports dozens of language packs to cater to users worldwide. Whether you're more comfortable browsing in English, Chinese, Spanish, or any other supported language, PowerFox has you covered.
Download Language Packs ›
Featureset
A modern browser
for the modern web.
PowerFox is both standards compliant and feature-rich, supporting the latest web technologies to ensure compatibility with modern websites. Enjoy features like WebGL, an up-to-date JavaScript engine, color emoji, NPAPI plugins support, and much more.
