Web and Developer Tools

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JSON Inspector

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

Not yet rated
9 weekly downloads

Sharp Color Picker

A full featured color selector tool, to work with colors, and easily find the colors you want.

Rated 4 out of 5 stars (1)
9 weekly downloads

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

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

Controle de Scripts Requires Restart

Controle de Scripts is an extension that allows you to control what JavaScripts do on your browser.

Rated 4 out of 5 stars (28)
7 weekly downloads

SeaMonkey Debug and QA UI Requires Restart

Provides Additional Debug and QA UI for SeaMonkey development and testing.

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

JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

Not yet rated
5 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 (49)
5 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)
5 weekly downloads

BBCode Requires Restart

Adds BBCode, HTML, XHTML & Symbols formatting to the context menu for forums.

Rated 4 out of 5 stars (70)
4 weekly downloads

docked JS-Console Requires Restart

docks the JS-Console to the Bottom of the Browser

feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)

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

XML Digital Signature Tool Requires Restart

XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)

Rated 4 out of 5 stars (3)
4 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
2 weekly downloads

printplus Requires Restart

PDF export support by Gecko.
https://github.com/hATrayflood/printplus

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

Remote Developer Tools Server

This addon provides options for starting the developer tools server. It is especially valuable in XULRunner Apps where there is no UI to start the server.

NOTE: This addon is not mandatory in Firefox or Thunderbird, as support is built in.

Not yet rated
2 weekly downloads

ThaiSEObar Requires Restart

แถบเครื่องมือของ ThaiSeoBar (PR, Dmoz, Google) เป็นเครื่องมือที่อำนวยความสะดวกสำหรับวิเคราะห์ SEO ของข้อมูลในเว็บไซต์อย่างรวดเร็วที่ซึ่งมีจุดประสงค์ให้เว็บมาสเตอร์เป็นผู้ใช้ นอกจากนี้ยังมีคุณสมบัติพิเศษสำหรับผู้ใช้ทั่วไปอีกด้วย
http://thaiseobar.com

Not yet rated
2 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 (38)
2 weekly downloads

ksbtechies

Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.

Opens a popup widget with the latest news headlines.

Not yet rated
2 weekly downloads

Google Redesigned 2 Requires Restart

Ported version from Firefox to be compatible with Seamonkey 2.

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Not yet rated
1 weekly download

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)
1 weekly download

MonkeyFix Requires Restart

Fixes up numerous SeaMonkey browser interface issues (eg. adding support for popup ALT attributes), as well as adding some handy features for developers and power users (eg. configure source viewer, work online/offline).

Rated 5 out of 5 stars (3)
1 weekly download