A dynamic theme that allows colouring Firefox in a Vivaldi style fashion.
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
Google Reverse Image Search The only add-on in this category capable of searching local files from the computer
Spoofs User-Agent strings of your browser
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
S3.Translator adds the power of Google Translate’s automatic translations to your browser! It supports translation of selected text, entered phrase or whole webpage between any of 100+ languages. New Feature: Language learning!
Translate whole page using Google Translate
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
Protects your privacy by blocking spying ads and invisible trackers.
Web Security actively protects you from malware, tampered websites or phishing sites that aim to steal your personal data.
Show tabs like a tree.
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
Automatically refresh tabs based on custom time intervals
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.