Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
A secure and free password manager for all of your devices.
469 574 users
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
205 863 users
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
793 289 users
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing, Yandex, Baidu and Yahoo.
35 578 users
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
762 783 users
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
79 758 users
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
668 557 users
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
232 660 users
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
115 771 users
Tomato Clock is a simple browser extension that helps with online time management.
38 171 users