Compare software

Mercury vs Konform Browser: catalog facts
Mercury	Konform Browser
Free Free and open source.	Free Free to download and use.
Windows, macOS, Linux	Linux
Compiler-optimized Firefox builds Privacy patches drawn from LibreWolf, Waterfox and IceCat	Package repositories for most major Linux distributions Updates through the system package manager
Maintained by a single developer Updates can trail official Firefox releases	Linux only Smaller community project than mainstream Firefox forks
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.