Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Don't touch my tabs! (rel=noopener)
Prevent tabs opened by a hyperlink from hijacking the previous tab by adding the rel=noopener attribute to all hyperlinks (excluding same-domain hyperlinks).
10,154 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,788,985 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
47,912 users
![Speed Dial [FVD] New Tab Page, 3D Start Page, Sync](https://addons.cdn.mozilla.net/user-media/addon_icons/344/344147-64.png?modified=fb953e2f)
Speed Dial [FVD] New Tab Page, 3D Start Page, Sync
FVD Speed Dial ★ Most popular ★ New Tab Page replacement. 1) The Fastest access to your Favorite and most Visited websites! 2) Start Page with 3D view 3) Synchronization and local file backup 4) Organize in groups 5) Many customization options
95,608 users
Decentraleyes
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.
214,349 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
139,830 users
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
30,859 users
LASER CAT
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
3,716 users
User-Agent Switcher and Manager
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
363,365 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
247,829 users
LASER CAT
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
3,716 users
Image Search Options
Image Search Options provides a set of highly customizable reverse image search context menu options.
59,890 users