Best Firefox-Based Browsers

Firefox forks and alternatives with Gecko, add-on support, and stronger defaults.

Start with Mozilla Firefox if you want the highest match in this category, then compare the rest of the shortlist against your device and must-have features.

BrowserGeek frog mascot taking ranking notes.

BrowserPrivacySpeedAIEngine

Mozilla Firefox

Mac, Windows, Linux, iOS, Android

4/5

2/5

Gecko

Floorp

Mac, Windows, Linux

4/5

1/5

Gecko

Tor Browser

Mac, Windows, Linux, Android

LibreWolf

Mac, Windows, Linux

Firefox Focus

iOS, Android

Zen Browser

Mac, Windows, Linux

4/5

2/5

Gecko

Waterfox

Mac, Windows, Linux, Android

Mullvad Browser

Mac, Windows, Linux, iOS

How to read this list

BrowserGeek pages favor checkable attributes over slogans: engine, platform support, feature flags, and the rating dimensions shown in the table. Pick the category that matches your main constraint, then open two or three profile pages before switching.

Best Privacy-Friendly Browsers

Browsers with strong defaults for tracking protection, anti-fingerprinting, and lower telemetry.

Best AI-Powered Browsers

Browsers that put AI summaries, agents, and page-aware assistance directly into the workflow.

Best Mobile Browsers

The strongest choices for iOS and Android, balancing sync, battery life, privacy, and speed.

Best Browsers for iPhone & iPad

Apple-platform options where interface, sync, and privacy matter more than engine differences.

Best Browsers for Android

Android browsers ranked by speed, privacy, extension support, and data-saving features.

Best Browsers for Mac

Mac browsers that handle battery life, Apple Silicon, gestures, and extension needs well.