Builds

Firefox logo
Stable release.
Firefox Beta logo
Try out new features early.
Firefox Dev logo
An experimental developer channel.
Firefox Nightly logo
For testing purposes only.

Recommended Add-ons

decentraleyes
Protects you against tracking through free, centralized, content delivery.
Ad Blocker that's easy on memory and CPU, yet can load thousands more filters than other popular blockers.
Browser extension that encrypts your communications with many major websites.
Blocks malicious scripts and allows JavaScript and Java content only from sites you trust.
privacybadger
Automatically analyze and block any tracker or ad that violates the principle of user consent.
better privacy
Remove or manage a new and uncommon kind of cookies, better known as LSO's.
classic theme restorer
Use this if you prefer the old look of Firefox or if you want to customize the UI.
greasemonkey
Customize the way a web page displays or behaves with Userscripts.
speed tweaks
Provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.