My Favorite Add-ons

by same

3 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,900 reviews

2,221,899 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 313 reviews

272,711 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

WhatsApp Panel by Alejandro Brizuela

Rated 4 out of 5 stars 45 reviews

33,990 users

Integrate WhatsApp with Firefox in a simple way.

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