Веб-мастеру

by lorik

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,121 reviews

1,357,466 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...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 343 reviews

96,060 users

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

Rainbow Color Tools by Heather Arthur

Rated 5 out of 5 stars 96 reviews

17,388 users

This addon is no longer being updated and won't work with new versions of Firefox. See the Colorzilla addon for a replacement: https://addons.mozilla.org/en-US/firefox/addon/colorzilla/.

Color tools for web development.

Webmaster SAPE by Wink

Rated 5 out of 5 stars 159 reviews

3,442 users

Toolbar contains a set of functions, which expands the abilities of webmasters and optimizers, when working in the interface of SAPE exchange.

GridFox by Eric Puidokas

Rated 4 out of 5 stars 18 reviews

1,969 users

Draws a grid on top of a website

Styles Tuner by Artem Demchenkov

Rated 4 out of 5 stars 19 reviews

214 users

"Styles Tuner" allows you to change fonts and colors for all sites in your browser.

Image Spider by Artem Demchenkov

Rated 4 out of 5 stars 10 reviews

251 users

This extension intend for web-masters and shows the image attributes, if you move cursor under it.

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