- Bypass Paywalls Clean: Bypass Paywalls of (custom) news sites.
- ClearURLs: Removes tracking elements from URLs.
- Cookie AutoDelete: Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest.
- Custom scrollbars: Give your browser a personal touch with customized scrollbars!
- Definer: Instant definitions and search results for words and phrases you select or type
- Dark Reader: Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
- Eight Dollars: Eight Dollars can help you tell the difference between actual verified accounts and twitter blue users.
- Flagfox: Displays a flag depicting the location of the current server.
- Free Download Manager: Free Download Manager integration with browser.
- Firefox Multi-Account Containers: Multi-Account Containers helps you keep all the parts of your online life contained in different tabs. Custom labels and color-coded tabs help keep different activities — like online shopping, travel planning, or checking work email — separate.
- Firefox Relay: Firefox Relay makes it easy to create email aliases that forward to your real inbox. Use it to protect your online accounts from hackers and unwanted messages.
- I don't care about cookies Get rid of cookie warnings from almost all websites!
- Gesturefy: Navigate: operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
- Invidition: Redirects YouTube and Twitter to their alternative ads-free, privacy-friendly, interfaces.
- Mercator Studio for Google Meet Change how you look on Google Meet with adjustable exposure, blur, vignette, and more!
- Minimal Theme for Twitter Declutter and refine the Twitter web experience.
- NoScript Security Suite: Maximum protection for your browser: NoScript allows active content only for trusted domains of your choice to prevent exploitation.
- Octotree: GitHub code tree: GitHub on steroids.
- Privacy Badger: Privacy Badger automatically learns to block invisible trackers.
- Privacy Settings: Alter Firefox's built-in privacy settings easily with a toolbar panel.
- Reddit Enhancement Suite: A suite of modules that enhance your Reddit browsing experience.
- Return YouTube Dislike: Brings back the dislike counter on YouTube.com!
- ScrollAnywhere: Drag scrollbar with your middle mouse button anywhere on the page. Supports also "grab and drag" style and Momentum.
- SponsorBlock for YouTube - Skip Sponsorships: Skip sponsorships, subscription begging and more on YouTube videos. Report sponsors on videos you watch to save others' time.
- Tabliss: A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
- Temporary Containers: Open tabs, websites, and links in automatically managed disposable containers.
- Terms of Service; Didn’t Read: Get information instantly about websites' terms of service and privacy policies, with ratings and summaries from the www.tosdr.org.
- Tomato Clock: Tomato Clock is a simple browser extension that helps with online time management.
- Translate web pages: Translate your page in real time using Google or Yandex without opening new tabs.
- uBlock Origin: Finally, an efficient blocker. Easy on CPU and memory.
- Universal Bypass: Don't waste your time with compliance. Universal Bypass automatically skips annoying link shorteners.
- Undo Close Tab: Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.