Powernerd Webdev
Studio Powernerd's standard suite of addons for working with website development.
- 3
- Add-ons
- Lars Petter G. Bøe
- Creator
- May 20, 2021
- Last updated
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
Rated 4.2 out of 5Anthony Lieuallen
192,211 users
Stylish - Custom themes for any website
Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.
Rated 2.8 out of 5userstyles.org
35,592 users
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Rated 4 out of 5Alex Sirota
146,914 users