Developer Tools
A collection of components for every web developer and security tester
- 8
- Add-ons
- Neurotechnics
- Creator
- May 20, 2021
- Last updated
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder 2 in 1. Share screencast video instantly.
Rated 4.4 out of 5Diigo Inc.
96,950 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
Rated 4 out of 5Eric
202,750 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
Rated 4.2 out of 5Anthony Lieuallen
192,009 users
119,236 users
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Rated 4 out of 5Alex Sirota
146,372 users
24,566 users
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
Rated 4.2 out of 5Marc Gueury
8,675 users
Web Developer
The Web Developer extension adds various web developer tools to the browser.
Rated 4.3 out of 5chrispederick
88,948 users