Window Saver
Quickly save all tabs in a browser window into a bookmark folder. Saved windows can be restored deleted or reordered from within the extension's UI. Plays nice with the usual tools/options to sync, export, or edit bookmarks.
150 users
Breeze Duo for KDE Plasma
Web Extension theme that improves Firefox look under KDE Plasma with GTK+3 Breeze theme activated.
150 users
Ethereum Gas Prices
Always up-to-date Ethereum gas prices from the 3 most popular data sources for Ethereum gas information: Blocknative, Etherscan, and EthGasStation.
150 users
Brave OpenSearch Engine
OpenSearch engine for search.brave.com with search suggest/autocomplete and a theme responsive icon.
149 users
In-Page Pop-up Reporter
Help curate a data set of pages that open in-page pop-ups by reporting the URLs of such pages as you encounter them during your browsing. Mozilla is experimenting with a browser feature to detect such pop-ups automatically and block them.
149 users
Chess.com Keyboard
Make moves on Chess.com using your keyboard! Improves your chessboard vision skills, makes chess.com website more accessible.
149 users
EasyPrint
This extension enables EasyPrint to communicate with 3D printers located on internal network
149 users
Checkbox Selector
Press the Shift-Key and make a rectangle-selection with the mouse by clicking-and-dragging. All checkboxes within the selection will change their status (unselected will be checked - and vice versa)
148 users
PDF Merge Tool
Merge multiple PDF files into a single document without downloading them. Combine PDFs directly within the browser to streamline document management and organization.
148 users
Page Editor
EDITS ANY PAGE! Good for pranking and trolling your friends! A very funny addon.
148 users
shortcuts
The WebExtension allows switching tabs with CTRL+[1-9] without disabling ALT+[1-9]. (only useful for Linux users) Source: https://github.com/SqYtCO/shortcuts
147 users
Quantum Hackbar
Hackbar port for the new WebExtensions API. It's redesigned and optimized to work with the new Firefox Quantum. It sits in your DevTools - Click F12 to open it. Any suggestions and/or issues are welcome :)
147 users
Blink Reminder
Reminds the user to blink and look away from the monitor regularly to prevent eye stain and dry eye.
146 users
JoyReactor Visitor
The extension hides already viewed news on the joyreactor, thereby allowing you not to miss something important
146 users
