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Trusted by users worldwide
Updated Feb 2026
Latest Version 147.0.4
Regular security updates
Official Source
Direct from Mozilla
No bundled adware
Mozilla Firefox 147: fast Quantum engine, 30% less memory than Chrome, built-in tracker blocking, extension support & cross-device syncing for privacy-focused browsing.
About Mozilla Firefox for windows
Pros & Cons
Pros
30% lower memory usage than Chrome for equivalent tab loads
Enhanced Tracking Protection blocks ads with trackers by default
86% reduction in browser hang time with multi-process architecture
WebExtensions compatibility with popular Chrome add-ons
End-to-end encrypted cross-device syncing without Google account
Built-in screenshot tool for full page or selection capture
Open-source development with transparent privacy practices
Free with no hidden costs or premium tiers
Cons
Some complex web applications may load slightly slower than in Chrome
Extension library smaller than Chrome Web Store for niche tools
Default search engine is Google (changeable but requires manual setup)
WebVR support exists but sees limited real-world adoption
Enterprise policy management less mature than Chrome Enterprise
Occasional rendering differences on sites optimized exclusively for Chromium
Popular Alternatives to Mozilla Firefox for windows
Screenshots
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