: On macOS, Firefox now moves background tabs to lower-power cores, preserving your battery life and keeping the browser snappy.
: Backed by the non-profit Mozilla Foundation, the browser is fully transparent and community-driven. Step-by-Step: How to Download and Install download firefox for mac
: Use Multi-Account Containers to isolate your work, banking, and social media activity so they can't track you across tabs. : On macOS, Firefox now moves background tabs
How to download and install Firefox on Mac - Mozilla Support : On macOS