Download Firefox 143.0.3

One of the World`s Most Popular Web Browsers for Mac

Updated: October 01, 2025

Size: 134 MB

Download

134 MB · October 01, 2025

Firefox 143.0.3.dmg

Previous versions More »

148.0.2 March 11, 2026 142 MB 148.0 February 25, 2026 142 MB 147.0.4 February 18, 2026 139 MB 147.0.3 February 05, 2026 139 MB 147.0.2 January 28, 2026 139 MB 147.0.1 January 18, 2026 139 MB