deno's dev tools

by denov

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,625 reviews

2,577,551 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 856 reviews

1,801,849 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Web Developer by chrispederick

Rated 5 out of 5 stars 178 reviews

678,655 users

The Web Developer extension adds various web developer tools to the browser.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 282 reviews

313,073 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 112 reviews

127,633 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 303 reviews

149,189 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

ShowIP by ShowIP Dev Team

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Experimental

Rated 3 out of 5 stars 207 reviews

85,104 users

Show the IP address(es) of the current page in the status bar. It also allows querying custom information services by IP (right click) and hostname (left click), like whois, netcraft, etc. Additionally you can copy the IP address to the clipboard.

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