Tools & Webdev

by ycc2106

10 Add-ons in this Collection

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 354 reviews

84 users

Manage any SQLite database on your computer.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

41 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 217 reviews

18 users

An HTTP analyzer addon for Firefox

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 52 reviews

925 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.

RefControl by James Abbatiello

Rated 4 out of 5 stars 180 reviews

18 users

Control what gets sent as the HTTP Referer on a per-site basis.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 78 reviews

13,595 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.

View Dependencies by Florian QUEZE

Rated 4 out of 5 stars 33 reviews

1 user

View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.

XHTML Mobile Profile by Gareth Hunt

Rated 4 out of 5 stars 12 reviews

1 user

Firefox does not natively support the mime-type application/vnd.wap.xhtml+xml. This is one of the possible mime-types for XHTML Mobile Profile. This addon adds support for this mime-type.

MR Tech Toolkit by mrtech

Rated 4 out of 5 stars 134 reviews

1 user

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

6 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections