Right click a selection, page or link to translate words in Firefox.
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
Allows you to restore the last closed tab with just one button click and gives you access to the list of recently closed tabs in the button context menu.
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
YouTube™를 더욱 편리하게 만들어 주는 수많은 기능들.
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
탭이 너무 많으신가요? 탭을 목록으로 변환하고 Firefox의 속도를 높이세요. OneTab을 이제 한국어로도 사용할 수 있습니다!