Lento: Slow, Reverb, Bass Boost
A small, no-nonsense extension to add slow, reverb, and bass boost effects on most music-streaming sites.
315 users
Save to Bookmark OS
Save bookmarks easily to the Bookmark OS website (https://bookmarkos.com).
313 users
Ctrl + Number for Group Speed Dial
Makes dials in GroupSpeedDial add-on addressable by Ctrl + [0-9] keystrokes
311 users
Recurring emails for Gmail
Sends your emails at a later time once, or recurring every X hours/days/months/years
310 users
Universal Sidebar
Open websites in a sidebar for quick and easy access. Add AI tools and social networks like ChatGPT, Perplexity AI, HuggingChat, Claude AI, X (Twitter), Whatsapp, Telegram, etc. You can add your favorite sites or any URL to the sidebar.
309 users
Move Tab Hotkeys
Provides hotkeys to move the current tab or a group of selected tabs around the tab bar.
305 users
Google Voice (Pin Tab)
Switch to Google Voice (Pin Tab) with a single click or a Hot Key (Alt+V)!
305 users
Stop Autoplay for YouTube™
If you have ever opened a bunch of videos in the background, you will know how annoying it is when they all start playing automatically. With this extension you will never have to worry about videos auto playing in the background.
304 users
Better Tab Groups
Enhances Firefox tab groups with automatic merging, smart grouping suggestions, and rule-based tab organization.
304 users
Custom Right-Click Menu
Create your own new entries in the right-click menu. Add custom JavasScript scripts, links, sub-menus and custom CSS stylesheets that activate when you click them in your right-click menu and do anything you want all from your right-click menu.
304 users
Drag To Go +
support using drag and drop gestures to open/save/search text, links and images.
302 users
tabs2txt
This add-on provides a button to copy the URL strings of all active tabs in a window to a scratchpad, delimit them with newlines, and provides the ability to copy the list to clipboard. The reverse operation is also supported (txt2tabs).
299 users
