Browser Extensions

Name	Description	Links
uBlock Origin	Blocks ads and tracking servers.	Chrome, Firefox
HTTPS Everywhere	Uses SSL encrypted connections to servers which support them	Chrome, Firefox
FlagCookies	Delete cookies, keep some if you like.	Firefox, Chrome, Opera Github
Cookie AutoDelete
Decentraleyes	Serves CDN content locally to minimise tracking from CDNs
~~I don't care about cookies~~ not recommended, acquired by Avast	auto-accepts all tracking cookies¹	Firefox, Chrome, others
Consent-o-Matic	browser extension that recognizes CMP (Consent Management Provider) pop-ups and automatically fills them out	Firefox, Chrome, …

Firefox only

Multi-Account Containers – Containers for separate browsing environments
Temporary Containers – adds new Multi-Account Container for every new website
Tree Style Tabs – Tabs in the browser sidebar
ClearURLs – cleans URLs from garbage tracking codes
Privacy Badger – Automatically protects from tracking servers
User Agent Switcher and Manager – sets your user agent to a different value to prevent identification
NoScript – Disables JavaScript and prevents XSS attacks
Total Suspender – suspends tabs you don't use to save RAM and CPU cycles.

^[1] combine this with a Cookie auto-deletion add-on or a tracking blocker or temporary containers to not be tracked