开发者工具

by Amax Guan

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,770 reviews

2,363,090 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...

Stylish by Jason Barnabe

Rated 4 out of 5 stars 738 reviews

708,321 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Web Developer by chrispederick

Rated 5 out of 5 stars 213 reviews

574,377 users

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

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 49 reviews

140,934 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 155 reviews

176,165 users

View HTTP headers of a page and while browsing.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 61 reviews

136,786 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

DejaClick by AlertSite

Rated 4 out of 5 stars 45 reviews

3,039 users

Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.

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