- uBlock Origin- Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory. - 10 078 503 brukere
- Privacy Badger- Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you. - 1 817 019 brukere
- AdGuard AdBlocker- Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites. - 1 552 290 brukere
- Ghostery – Privacy Ad Blocker- The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook. - 1 005 924 brukere
- Bitwarden — Fri passordbehandling- En sikker og fri passordbehandler for alle dine PCer og mobiler - 880 426 brukere
- NoScript Security Suite- The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits. - 261 776 brukere
- Decentraleyes- Beskytter mot sporing gjort av "gratis" sentralisert innholdslevering. Den hindrer mange forespørsler fra å nå nettverk som Google Hosted Libraries, og tilbyr lokale filer for å avverge rotede nettsteder. Bistår vanlige innholdsblokkerere. - 258 688 brukere
- Consent-O-Matic- Automatic handling of GDPR consent forms - 103 888 brukere
- SingleFile- Save an entire web page—including images and styling—as a single HTML file. - 78 609 brukere
- Don't track me Google- Removes the annoying link-conversion at Google Search / maps / ... - 68 845 brukere
- Clear Cache- Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included! - 56 715 brukere
- CanvasBlocker- Alters some JS APIs to prevent fingerprinting. - 39 567 brukere
- Adblock Plus- One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable). - 3 104 578 brukere
- AdBlocker Ultimate- Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware. - 1 311 273 brukere
- Browsec VPN - Free VPN for Firefox- Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN extension, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want. - 487 715 brukere
- I don't care about cookies- Get rid of cookie warnings from almost all websites! - 268 734 brukere
- Firefox Relay- Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail. - 237 196 brukere
- 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. Containers Supported - 179 581 brukere
- I still don't care about cookies- Community version of the popular extension "I don't care about cookies" https://github.com/OhMyGuus/I-Dont-Care-About-Cookies - 103 347 brukere
- Cookie-Editor- Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy. - 92 414 brukere
- Indie Wiki Buddy- Helping you discover quality, independent wikis! When visiting a Fandom wiki, Indie Wiki Buddy redirects or alerts you of independent alternatives. It also filters search engine results. BreezeWiki is also supported, to reduce clutter on Fandom. - 65 199 brukere
- User-Agent Switcher- Easily override the browser's User-Agent string - 62 883 brukere
- Popup Blocker Ultimate- Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website. - 55 520 brukere
- AdNauseam- Blocking ads and fighting back against advertising surveillance. - 51 432 brukere
























