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Learn about Firefox browsers

• Firefox

The standard Firefox browser — fast and private. If you’re not sure which Firefox to choose, choose this.

• Firefox Beta

Get a sneak peek at the latest Firefox browser features before they’re released.

• Firefox Developer Edition

Test your sites against soon-to-be-released Firefox browser features with powerful, flexible DevTools that are on by default.

• Firefox Nightly

The pre-alpha version for power users who like to hunt crashes and test new features as they’re coded.

• Firefox Extended Support Release

Count on stability and ease of use with this Firefox browser built for enterprise.