Web Development


9 Add-ons in this Collection

Firebug Joe Hewitt, Jan Odvarko, others

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...

LastPass Password Manager LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Web Developer chrispederick

Rated 5 out of 5 stars 183 відгуки

749 244 users

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

ColorZilla Alex Sirota

Rated 5 out of 5 stars 284 відгуки

311 573 users

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

Live HTTP Headers Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 136 відгуків

205 777 users

View HTTP headers of a page and while browsing.

YSlow YSlow

Rated 3 out of 5 stars 167 відгуків

147 743 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.

Html Validator Marc Gueury

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)

FireQuery BinaryAge

Rated 4 out of 5 stars 43 відгуки

49 582 users

Firebug plugin for jQuery development

Dummy Lipsum Sogame

Rated 4 out of 5 stars 36 відгуків

12 668 users

Generate "Lorem Ipsum" dummy text (from http://www.lipsum.com).

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