Disable autoplay and preloading of HTML5 video and audio players.
Arc Dark Theme for Firefox
Hide and unhide tabs. To use this extension you need to set extensions.webextensions.tabhide.enabled to true in about:config page.
DEPRECATED! This functionality has been added in Firefox 58.
Unload tabs to free up system resources
Select link's text just like regular text
Easily manages Firefox Add-ons from Panel or Sidebar.
Adds right-click context menu items for image related tasks.
Open link, tab or bookmark in sidebar.
Arc Darker theme for Firefox