About Mercury Browser
A performance-tuned Firefox fork for faster browsing.
Mercury Browser is a popular pick in the browsers space, trusted by people who want results without the clutter. Highlights include compiler-optimized build and firefox extension support, wrapped in an interface that stays out of your way.
Grab the newest Mercury Browser build for Windows here in one click, with no ads and no registration.
Key features
- ✓Compiler-optimized build
- ✓Firefox extension support
- ✓Privacy tweaks
- ✓Fast rendering
Requirements
Windows 10 / 11, 64-bit
Mercury Browser — frequently asked questions
Is Mercury Browser free to download?+
Yes. Mercury Browser is free and open source, so you can use it at no cost.
Is Mercury Browser safe to download?+
Yes. HivApps links to the latest Mercury Browser build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of Mercury Browser?+
The latest version listed here is Mercury Browser 128, updated Aug 21, 2026.
What do I need to run Mercury Browser?+
Windows 10 / 11, 64-bit
How do I install Mercury Browser on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
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Latest version (128) · Safe & clean