The top 25 most used Firefox add-on in Other extensions category

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

Returns ability to see dislike statistics on youtube

YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

Read ePub files right in Firefox. No additional software needed!

Create, modify, and quickly change tab groups

Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.

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.

A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.

RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically

Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)

View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.

Tomato Clock is a simple browser extension that helps with online time management.

Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.

Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.

Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.

Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!

Join Webex meetings using Firefox ™

Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.

Tampermonkey is the world's most popular userscript manager.

The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.

Ethereum Browser Extension

The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.

This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!

Get rid of cookie warnings from almost all websites!