uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker. It blocks ads, trackers, coin miners, popups, annoying anti-blockers, malware sites, etc., by default using EasyList, EasyPrivacy, Peter Lowe's Blocklist, Online Malicious URL Blocklist, and uBO...
This add-on allows users to prevent websites from using the Javascript API to fingerprint them. Users can choose to block the API entirely on some or all websites (which may break some websites) or just block or fake its fingerprinting-friendly...
Browser extension for Firefox that bypasses intermediary redirect pages, extracts final destination URLs, allows editing of skip lists, and saves time and enhances privacy.
Send referers only when staying on the same domain. You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.
The EU regulations require that every website must get user's permission before installing cookies. Imagine how irritating that becomes when you surf anonymously or if you delete cookies automatically every time you close the browser.
The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Here is a quick video showing you how it works.
Tab Stash is a no-fuss way to save and organize batches of tabs as bookmarks. Sweep your browser clean with one click of the Tab Stash icon. Your open tabs will be stashed away in your bookmarks, conveniently organized into groups.
Store bookmarks with related content, organize thematically with real-time collaboration and privacy focus, offering web clipper and cloud sync.
Enhancer for YouTube is a very lightweight extension that is highly customisable, easy to use, and that will greatly improve your YouTube experience!
SponsorBlock is an open-source crowdsourced browser extension to skip sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about.
Reddit Enhancement Suite is a community-driven unofficial browser extension for Reddit.
Improve your browsing and shopping experience at 
Steam with many features and quality of life improvements!
Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.
