Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
192,417 users
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
690,477 users
Violentmonkey
Userscript support for browsers, open source.
85,619 users
KISS Translator
A simple bilingual translation extension & Greasemonkey script
847 users
FireMonkey
Super Lightweight User Script and Style Manager
1,535 users
Keywords Everywhere
Install this freemium add-on to view monthly search volume, CPC & competition data on 15+ websites like Google, YouTube, Amazon, Pinterest, Instagram, eBay, Bing, Etsy, Google Search Console and more
20,158 users
Userscript+ for Tampermonkey
🐒 Show current site all UserJS,The easier way to install UserJs for Tampermonkey.
1,006 users
LibKey Nomad
One-click access to millions of scholarly articles.
7,789 users
Surfingkeys
Rich shortcuts for you to click links / switch tabs / scroll pages or DIVs / capture full page or DIV etc, let you use the browser like vim, plus an embed vim editor. https://github.com/brookhong/Surfingkeys
1,700 users
Tampermonkey Editors
Online editor support for Tampermonkey's userscripts
386 users
Hive Keychain
Secure Hive Wallet Extension.
2,018 users
Keysmith
Keysmith is a Mac App and browser extension pair that lets you create custom keyboard shortcuts for any app or website.
426 users
Keybase
A secure chat button for every profile.
357 users
Emoji Keyboard - Emojis For Firefox
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
9,232 users
Vimium C - All by Keyboard
A keyboard shortcut tool for keyboard-based page navigation and browser tab operations with an advanced omnibar and global shortcuts
7,556 users
Page Hacker
Edit in Firefox the page displayed in any tab, with formatting tools.
1,579 users
1,055 users
Allkeyshop - Compare Game Prices
Shows you the best deals available while you're surfing on the web
3,476 users
Shortkeys (Custom Keyboard Shortcuts) for Firefox
Easily customizable custom keyboard shortcuts for Firefox. To configure this addon go to Addons (ctrl+shift+a) ->Shortkeys ->Options. Report issues here (please specify that the issue is found in Firefox): https://github.com/mikecrittenden/shortkeys
8,653 users
Emojis Keyboard
The most up to date. Copy-paste Emojis everywhere. Compatible with Win, Mac, Linux and iOS, Android. Works for every website/App.
424 users
Multi-Keywords Highlighter
Highlights given keywords on any web page you visit.
1,022 users
Selection Translate - For AltKey
Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages.
905 users
vimkeybindings
Vi(m) directional keybindings for Firefox.
141 users
DuoKeyboard
Adds automatic keyboard selection for duolingo.com based on user preferences.
326 users
Spotify Hotkeys
Add configurable keyboard shortcuts and notifications to the Spotify Web Player
250 users