uU (untrack URLs) is a browser extension that sanitizes tracked URLs and bypasses tracked redirects for the following services (if possible).

Scopes

Scope	Is supported?	Notes
Navigation and HTTP requests in general	Yes	This allows untrackin URLs for every HTTP request the browser sends utilizing the webRequest API. This also why uU requires global permissions to modify HTTP requests for all sites.
Sharing links	Yes, via the context menu	Currently uU does not untrack URLs on the page (in the DOM). The "Copy Untracked Link" from the context menu copies an untracked link similarly "Copy Link Without Site Tracking" that is implemented by Mozilla Firefox itself.
On-page links	No	To be discussed.
Warned page redirects	Yes	In principle, this is greatly supported by uMatrix and the feature of uU is a subject for potential removal. To be discussed.

Untracked services

• Action Map (URLs)
• Adobe (URLs)
• AliExpress (URLs)
• Amazon (URLs)
• Apple (URLs)
• AT (URLs)
• BBC (URLs)
• Bilibili (URLs)
• Bing (URLs)
• CaseKing.de (URLs)
• Change.org (URLs)
• Customer.io (redirects)
• Drip (URLs)
• DPM Media Group (URLs)
• DuckDuckGo (redirects)
• eBay (URLs)
• Etsy (URLs)
• Evernote (redirects)
• Facebook (URLs, redirects)
• GitHub (URLs)
• Google (URLs, redirects including AMP; NOTE: Google Docs HTML-exported pages are only supported/intercepted when open in the browser: Today I found out that google docs infects html exports with spyware, no scripts, but links in your document are replaced with invisible google tracking redirects. I was using their software because a friend wanted me to work with him on a google doc, he is a pretty big fan of their software, but we were both somehow absolutely shocked that they would go that far.)
• HubSpot (URLs)
• Humble Bundle (URLs)
• IBM (URLs)
• IMDb (URLs and redirects)
• Instagram (URLs and redirects)
• itm_... (URLs)
• LinkedIn (URLs, redirects)
• Magento (URLs)
• MailChimp (URLs)
• MailerLite (URLs)
• Mandrill (URLs)
• Matomo/Piwik (URLs)
• Medium (redirects)
• Microsoft (URLs)
• Netflix (URLs)
• NS (URLs)
• New York Times (URLs)
• Omeda (URLs)
• Oracle (redirects)
• Outlook (redirects)
• Parse.ly (TODO URLs)
• Reddit (redirects)
• Reuters (redirects)
• SC (URLs)
• STM (URLs)
• Snapchat (URLs)
• SourceForge (URLs)
• Spotify (URLs)
• Takeads (redirects)
• Taobao (redirects)
• TikTok (URLs)
• Tumblr (redirects)
• Twitch (URLs)
• Urchin Tracking Module (URLs)
• Vero (URLs)
• VK (redirects)
• Wicked Reports (URLs)
• X (ex-Twitter) (redirects)
• Yahoo (URLs)
• Yandex (URLs)
• YouTube (URLs, redirects)
• Zanox (URLs)
• Zeit (URLs)
• ... and some other common stuff for URLs

Why Firefox only

Currently uU and μuU are designed for use in Mozilla Firefox only just because it does not restrict manifest.json to the very limited v3 that is forced in Google Chrome. I haven't check the extension browsers other than Mozilla Firefox.

uU and μuU are currently published at:

• uU - addons.mozilla.org
• μuU - addons.mozilla.org

Thanks

The uU and μuU untracking rules are built on top of:

• Tracking Token Stripper by Jon Parise, actually the idea of uU grown from;
• some rules from PrivacyTests.org by Arthur Edelstein (last updated 2022-04-16);
• some rules from Neat-URL (default-params-by-category.json) by Geoffrey De Belie (last updated 2022-05-01);
• all rules from clean-links by Sh1d0w (last updated 2023-11-10);
• all rules from untrack by Kyle Lanchman (last updated 2023-11-10);
• all rules from Mozilla Firefox by Mozilla Foundation and its contributors (last updated 2023-11-27);
• and some rules available online.

The icon is merely generated with Launcher icon generator by Roman Nurik.

Support

Thank you!