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Firefox

A full browser from a nonprofit foundation, on its own engine.

Instead of Chrome, Edge

L · SystemOpen sourceNonprofit
www.firefox.com
Screenshot of the Firefox website

Screenshot from www.firefox.com, taken 2026-10-23, shown to help you recognise the tool. It belongs to its maker. Ask us to remove it.

The story of Firefox starts with Netscape, and in 1998 Netscape released its browser's code to the public. Today Firefox is open source and made by Mozilla, a nonprofit foundation, on an engine of its own, so the web does not run on a single browser engine. It syncs, it has strong privacy settings, and it works with nearly every site, on Windows, Mac, Linux, Android and iOS.

Firefox scores a 5 on longevity and delivery, a 4 on lock-in and self-direction and a 3 on footprint and power. Delivery is a 5.

Mozilla's browser business is a for-profit subsidiary of a nonprofit foundation, and according to Wikipedia Google paid about $585 million of Mozilla's $680 million revenue in 2024, so we left a 3 on Power for that tension.

Check the current privacy settings after you install it, since defaults change. Scores are our reading of public sources.

    What stands out

  • Open source, made by a nonprofit foundation
  • Runs on its own engine, so the web does not depend on one browser
  • About 86% of Mozilla's 2024 revenue came from Google
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Side by side. Firefox vs Google Chrome

For comparison, we also reviewed Google Chrome (17/30) as a benchmark.

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