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Firefox has moved – Same mission. Same values. Welcome to firefox.com.

Take a browse on the wild side.

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Beta

Test about-to-be-released features in the most stable pre-release build.

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Beta isno longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Beta isno longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

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Beta is an unstable testing and development platform. By default, Beta sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas.Learn what is shared.

Give us feedback to help us put the final tweaks on performance and functionality in a stable environment.

Developer Edition

Build, test, scale and more with the only browser built just for developers.

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Developer Edition isno longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Developer Edition isno longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

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Using Debian, Ubuntu or any Debian-based distribution?
You can set up ourAPT repository instead.

Developer Edition is an unstable testing and development platform. By default, Developer Edition sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas.Learn what is shared.

Nightly

Get a sneak peek at our next generation web browser, and help us make it the best browser it can be: try Firefox Nightly.

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Nightly isno longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Nightly isno longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

Using Debian, Ubuntu or any Debian-based distribution?
You can set up ourAPT repository instead.

Nightly is an unstable testing and development platform. By default, Nightly sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas.Learn what is shared.

Note: Firefox Nightly will update approximately once or twice a day.

See something that isn’t working? Let us know.

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