Web and Developer Tools

Subscribe

JSON Inspector

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

Not yet rated
21 weekly downloads

jQuery Requires Restart

jQuery and jQuery UI embedded in browser

Rated 4 out of 5 stars (7)
18 weekly downloads

UrlParams Requires Restart

Shows you the GET and POST parameters of the current website in the sidebar...

Rated 4 out of 5 stars (39)
16 weekly downloads

Sidebar Add Custom Tab Requires Restart

Adds an 'add custom tab' option to the Tabs drop-down menu of SeaMonkey's sidebar.

Rated 5 out of 5 stars (1)
15 weekly downloads

Config Descriptions

Shows source comments for advanced application preferences in about:config

Rated 5 out of 5 stars (25)
15 weekly downloads

Joomla! Admin Requires Restart

Joomla! Admin brings ease & convenience to your computer/workstation, by providing you with a ready-to-use menu options that balms your repetitive work :) Now, Go to the Administrator page or Duplicate the current tab to a new tab/window in a jiffy!!

Rated 5 out of 5 stars (6)
13 weekly downloads

User Agent Changer Requires Restart

Adds a menu and a toolbar button to change the user agent of a browser.

Rated 4 out of 5 stars (8)
12 weekly downloads

IP Flager

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (4)
12 weekly downloads

SQL Cardfile Requires Restart

A simple card file database using SQLite as the backend.

Not yet rated
11 weekly downloads

Console² Requires Restart

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.

Rated 5 out of 5 stars (47)
11 weekly downloads

Relaxed the HTML Validator Requires Restart

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

Rated 2 out of 5 stars (4)
10 weekly downloads

MR Tech Link Wrapper Lite Requires Restart

Wraps long links and lines to spare you from having to scroll left and right...

Rated 1 out of 5 stars (1)
10 weekly downloads

Addons Memory Usage - Button Requires Restart

Add toolbar button for about-addons-memory-pm

But not only, also provide shortcuts for :

- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)

github.com/intika/about-addons-memory-pm

Rated 2 out of 5 stars (1)
10 weekly downloads

AuctionSearchKit Requires Restart

One-click eBay tools providing useful information to the buyer including a map of where items are located, past feedback on similar items and seller history/statistics.

Not yet rated
9 weekly downloads

fixedzoomthumb Requires Restart

Shows Desktop size image when you hover over a thumbnail .Works with many sites including Amazon, Facebook, Flickr, YouTube.

Rated 5 out of 5 stars (3)
8 weekly downloads

Web Server Check Tool Requires Restart

A tool to perform basic checks on web and DAV servers.

Not yet rated
7 weekly downloads

Composer Open In Requires Restart

Adds a toolbar button to Composer to open the current file in another editor or browser.

Not yet rated
7 weekly downloads

RequestPolicy Sync

Sync engine for RequestPolicy.

Rated 4 out of 5 stars (4)
7 weekly downloads

foxmeter Requires Restart

An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon

Rated 5 out of 5 stars (1)
5 weekly downloads

EmotiConverter Requires Restart

Post your best emoticons of the easiest and fastest way.

Rated 5 out of 5 stars (29)
5 weekly downloads