Privacy & Security

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Strict Pop-up Blocker

Quickly toggle between blocking all pop-up windows and allowing some pop-ups

Rated 4 out of 5 stars (98)
7,366 weekly downloads

Cookies Manager+ Requires Restart

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Rated 5 out of 5 stars (67)
7,195 weekly downloads

signTextJS plus

window.crypto.signText replacement plus enhancements

Rated 5 out of 5 stars (7)
7,163 weekly downloads

Belgium eID Requires Restart

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (92)
7,145 weekly downloads

Popup Blocker Ultimate Requires Restart

Popup Blocker Ultimate makes it easy to block pop-ups.

Rated 5 out of 5 stars (43)
7,029 weekly downloads

Ad-Blocker

Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.

Rated 3 out of 5 stars (10)
6,930 weekly downloads

SetupVPN Lifetime Free VPN

Unblock any blocked website in your country, school or company. SetupVPN changes your IP address and location with just single click! It's free and easy to use. Setup your VPN now.

Rated 4 out of 5 stars (55)
6,568 weekly downloads

Click&Clean Requires Restart

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

Rated 5 out of 5 stars (105)
6,515 weekly downloads

µBlock

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Rated 4 out of 5 stars (229)
5,909 weekly downloads

Google search link fix Featured

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (147)
5,856 weekly downloads

Hide My IP VPN

Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!

Rated 4 out of 5 stars (16)
5,426 weekly downloads

DotVPN — better than VPN.

Free and Secure VPN. Traffic encrypting. IP address change in different countries.

Rated 3 out of 5 stars (25)
5,295 weekly downloads

uMatrix Featured

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Rated 5 out of 5 stars (112)
5,136 weekly downloads

DuckDuckGo Plus Featured

DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.

Rated 4 out of 5 stars (166)
5,126 weekly downloads

Windscribe - Internet as it Should Be

Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.

Rated 4 out of 5 stars (18)
5,106 weekly downloads

Gmail™ Notifier (restartless) Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (279)
4,917 weekly downloads

User Agent Overrider

Override browser user agent string

Rated 5 out of 5 stars (62)
4,769 weekly downloads

Trusted Shops extension for Firefox

Find secure shops in your Google search: install the official Trusted Shops extension

Rated 5 out of 5 stars (17)
4,691 weekly downloads

ProxTube - Unblock YouTube

In some countries YouTube videos are blocked! Unblock them with this Addon.
Supported countries: Germany, Netherlands, Spain, ...? not US compatible
Status+Support: proxtube.com & Twitter: twitter.com/ProxTube (EN/DE)

Rated 4 out of 5 stars (222)
4,534 weekly downloads

Blur Featured

Protect your Passwords, Payments, and Privacy.

Rated 4 out of 5 stars (798)
4,510 weekly downloads