Mijn favoriete add-ons

by Edwin Martin

23 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,645 reviews

858,518 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...

Web Developer by chrispederick

Rated 4 out of 5 stars 474 reviews

263,405 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 430 reviews

176,801 users

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

Tamper Data by Adam Judson

Rated 4 out of 5 stars 307 reviews

46,538 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 214 reviews

69,880 users

View HTTP headers of a page and while browsing.

QuickJava (For FF Versions 56 AND BELOW only) by Doug G

Rated 5 out of 5 stars 204 reviews

133,493 users

Obsolete as of FF 57, will leave here for users who have not "upgraded" to 57.
Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 212 reviews

30,925 users

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.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 364 reviews

62,001 users

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

YSlow by YSlow

Rated 3 out of 5 stars 211 reviews

24,890 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

FirePHP by cadorn

Rated 4 out of 5 stars 59 reviews

14,239 users

Log from PHP to a devtools panel.

DNS Flusher by Marco Pelegrini

Rated 5 out of 5 stars 57 reviews

10,220 users

A Mozilla Firefox add-on that provides a easy way to reload the browser DNS cache.
It's commonly used by developers that uses the Hosts File to force a domain name resolution to a specific IP.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 229 reviews

26,443 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

Tweak Network by Edwin Martin

Rated 4 out of 5 stars 124 reviews

5,551 users

Tweak Network will speed up the loading of web pages and increase the maximum number of simultaneous downloads from a site Tweak Network will not be rewritten as a WebExtension and might stop working with a new Firefox release.

View Cookies by Edwin Martin

Rated 4 out of 5 stars 52 reviews

13,742 users

It adds a tab to the Page Info dialog box, which shows the cookies belonging to the current page. View Cookies will not be rewritten as a WebExtension and might stop working with a new Firefox release.

Auto Reload by Yurii Zolot'ko

Rated 5 out of 5 stars 86 reviews

7,680 users

Reload page automatically when selected local files are changed.
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