Firefox extensions
Listed on Firefox Add-ons. They also install in Firefox-based browsers such as LibreWolf, Waterfox, Zen and Floorp.
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149 results, page 1 of 5
AdBlock
A browser extension that blocks ads, pop-ups and third-party trackers, with a paid Premium tier.
Adblock Plus
An ad-blocking browser extension with customizable filter lists for Chrome, Firefox, Edge, Opera and Safari.
AdGuard Browser Extension
A browser extension that blocks ads, pop-ups and trackers, with cosmetic filtering of page elements.
Dark Reader
Generates a dark theme for every website, on the fly.
Ghostery
Ad and tracker blocker that shows what each page was trying to load.
Grammarly
An AI writing assistant that checks grammar and spelling and suggests rewrites and tone changes.
Lightshot
A lightweight screenshot tool for Windows and Mac that captures a region and shares it by link.
MetaMask
A self-custody crypto wallet available as a browser extension and mobile app, widely used for Ethereum.
OneTab
Collapses open tabs into a single list you can restore later.
Privacy Badger
Learns and blocks trackers by watching their behaviour across sites.
Tampermonkey
Userscript manager for running custom scripts on websites.
uBlock Origin
A free, open-source content blocker for browsers that blocks ads, trackers and malware domains with a small footprint.
Consent-O-Matic
Answers cookie consent pop-ups according to your stated preferences.
7TV
An emote platform and browser extension that adds custom emotes and chat features to Twitch and Kick.
AdGuard Ad Blocker
System-wide ad and tracker blocker apps for Windows, macOS, Android and iOS with DNS filtering.
AdNauseam
A browser extension built on uBlock Origin that blocks ads and quietly clicks them to pollute tracking profiles.
AmIUnique
A web page that checks whether your browser has a unique fingerprint and how identifiable you are.
ARC Toolkit
Browser extension from TPGi that finds accessibility issues on individual web pages.
Augmented Steam
A free browser extension that adds price history, bundle information and other features to the Steam store.
Auto Tab Discard
Suspends inactive tabs to free memory, keeping them in the tab strip.
Awesome Screenshot
A browser extension and app for taking annotated screenshots and recording the screen and camera.
axe DevTools
Accessibility testing tools and browser extension from Deque, built on the axe-core rules engine.
BetterTTV
A browser extension that adds emotes, chat features and interface tweaks to Twitch and YouTube.
BlockSite
A website and app blocker for browsers, desktop and phones, with focus sessions and a Premium tier.
BlockTube
A browser extension that filters YouTube videos, channels and comments by title, channel or content.
Bonjourr
A minimalist, customizable new tab page for the browser with photo backgrounds and optional widgets.
Browsec
A VPN and proxy service with browser extensions and apps, free to start without an account.
Browserling
Online cross-browser testing service with live interactive sessions in real desktop browsers.
Browserpass
A browser extension that fills and copies logins from a pass password store.
Bulk Image Downloader
A paid desktop tool that downloads full-size images and videos from web galleries in bulk.
