Waterfox is a free and open-source web browser built on the Gecko engine that ships privacy protections, including no telemetry, built-in ad and tracker blocking, and private DNS, out of the box.
Decisive facts
- No telemetry or data collection out of the box
- Built-in blocking of ads, trackers, and cookie banners
- Private DNS resolution via Oblivious HTTP
- Gecko engine with feature and security parity with Firefox
- Supports Firefox WebExtensions; Chrome-only extensions do not transfer
- One-click import of bookmarks, history, and passwords from current browser
- Free on Windows, macOS, Linux, and Android with no premium tier
- Updated on an ESR-style cadence focused on security and stability
Compared with these products
No explicit proprietary baseline is recorded.