With EPUBReader you can read ePub files just in Firefox. No additional software needed!
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.
Kimetrak (Who's tracking me) is an extension allowing you see at a glance what third-party domains are loaded from websites you visit. You can access detailled statistics with a list allowing you to analyse what services are able to track you online.
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
Tons of features to improve your user experience on YouTube™.
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
Good old Wikipedia gets a great new look
Shows previews of linked articles on Wikipedia pages.
Search for highlighted text on Wikipedia via the context menu.
Redirects to a random unusual Wikipedia page when you open a new tab, because when you're opening a new tab you're looking for a distraction and that distraction might as well be a weird fact. Or show random Cognitive Bias, or Philosophical concept.
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
Show tabs like a tree.
Automatically refresh tabs based on custom time intervals
Liian monta välilehteä? Muunna välilehdet luetteloksi ja nopeuta Firefoxia OneTab on nyt saatavilla suomeksi!