Community version of the popular extension "I don't care about cookies"

https://github.com/OhMyGuus/I-Dont-Care-About-Cookies

A tool for viewing SAML and WS-Federation messages sent through the browser during single sign-on and single logout.

Alters some JS APIs to prevent fingerprinting.

Configures Firefox to use PKCS11 for authentication

Help people in censored countries access the Internet without restrictions. Once you install and enable the extension, wait for the snowflake icon to turn green, this means a censored user is connecting through your extension to access the Internet!

TTV LOL PRO removes most livestream ads from Twitch.

Active development and management of the Token Signing component have ended due to the transition to the new web authentication and signing solution (Web eID).

Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer

Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.

Bypass 'Log in to continue' of Twitter, added in August 2021.

This extension automatically changes HTTP web addresses to the secure HTTPS, whenever possible.

Hide your geographic location from websites. Report a fake location with the addition of random noise in order to protect your privacy. Per site settings with three configurable levels of accuracy or even the possibility to use a fixed location.

Toggle JavaScript engine on and off the easy way

This add-on allows you to quickly generate a QR code offline with the URL of the open tab or any (selected) other text! 👍

It works completely offline protecting your privacy and has a big range of features like colored QR codes!

Easily add (Access-Control-Allow-Origin: *) rule to the response header.

Cache clearing made easy. One click.

Open tabs, websites, and links in automatically managed disposable containers which isolate the data websites store (cookies, storage, and more) from each other, enhancing your privacy and security while you browse.

Sets Firefox's default search engine to You.com

Switch to mobile view with one click via toolbar button.

THIS IS NOT AN OFFICIAL ADDON FROM MOZILLA!
It is a fork of the Facebook Container addon.

Prevent Google from tracking you around the web. The Google Container extension helps you take control and isolate your web activity from Google.

Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.

An artware browser add-on to protect privacy in web-search. By issuing randomized queries to common search-engines, TrackMeNot obfuscates your search profile and registers your discontent with surreptitious tracking.

YouTube™ Content Blocker
Block channels and videos from YouTube™
Fast and easy

Deletes browsing history older than a specified number of days.

Emulates remote frameworks (e.g. jQuery, Bootstrap, AngularJS) and delivers them as local resource. Prevents unnecessary 3rd party requests to Google, StackPath, MaxCDN and more. Prepared rules for uBlock Origin/uMatrix.

Synchronize your bookmarks and FVD Speed Dials. Secure online access with additional features. Synchronize bookmarks between different browsers. Backup and restore your bookmarks online. Sync favorites between computers! Delete duplicated bookmarks.

Blocks cryptocurrency miners all over the web.

Add a link near password fields to hide or show passwords.

Displays the HTTP header. Edit it and send it.

window.crypto.signText replacement plus enhancements