Block URLs, Domains or Keywords
Site blocker. Blocks URL, Domain or URL with keywords. Redirect. It is the rework of my chrome extension! Not stable, but works!
297 users
Popout
Popout is simple extension that allows tabs to be opened in a separate minimal window.
296 users
LoadTabOnSelect
Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.
294 users
Remove YouTube™ Tab Number
Removes the number of notifications in parentheses that YouTube displays on tabs
294 users
CloseTabTimer
Closes tabs with timers. Allows the user to create a timer for each tab that will automatically close once the timer is up. Multiple timers can run at the same time, and timers can be cleared.
292 users
Undo Closed Tabs Menu
This add-on adds a sub-menu when right clicking on a tab, showing recently closed tabs and allowing you to reopen them.
292 users
Link Grabber
Collect, review, and export links from pages—with selection, multi-tab scope, and filters.
292 users
Audio Selector
Audio Selector allow you to routes each tab’s audio to any device (e.g. music to speakers, Meet to headphones). Add shortcuts to change outup device of current tab, to switch to Meet tab, to mute/unmute mic in active meet tab without switching.
291 users
Sound Adjuster
Boost quiet audio up to 5x, fine-tune it with a 5-band equalizer, and save volume, balance, and EQ settings for each site. Free, open source, and no tracking.
291 users
Container Opener
This extension lets you open up a site in multiple containers at the same time.
287 users
Right Click
Instant right-click and floating toolbar actions for selected text: custom search templates, Google Translate, Merriam-Webster, YouGlish, and neural Kokoro TTS.
287 users
Environment Marker
Use the Environment Marker extension and prevent screw-ups with the (programming) environments.
283 users
ColorTabs
This add-on enables you to set the browser window to a custom color for any site. You can save as many site-color mappings as you wish, and import/export to load your settings on different machines.
282 users
Car Racing
Do you like to play in racing? Then the game Car Racing is just for you. Excellent game is always in the browser!
279 users
SessionBox Free 4 Everyone
Manage isolated sessions with cookie persistence,this sessionbox is in development, i developed it for my personal use, you all Developer are most Welcome To Modify it and re upload it.
278 users
Paste and Go Key
Adds a changeable keyboard shortcut that pastes the clipboard into the URL bar and loads it/searches for it. Includes a toolbar button.
277 users
![[STG plugin] Open Manage groups](https://addons.mozilla.org/user-media/addon_icons/986/986719-64.png?modified=1856603d){kind=icon}
