Web and Developer Tools
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Tiny JavaScript Debugger
TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.
fixedzoomthumb Requires Restart
Shows Desktop size image when you hover over a thumbnail .Works with many sites including Amazon, Facebook, Flickr, YouTube.
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.
Dafizilla Table2Clipboard Requires Restart
Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Proxy Tool Requires Restart
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co
UrlParams Requires Restart
Shows you the GET and POST parameters of the current website in the sidebar...
Zing! Locale Switcher
Want to change from one language to another? Zing! and the locale is switched.
Config Descriptions
Shows source comments for advanced application preferences in about:config
SeaMonkey Debug and QA UI Requires Restart
Provides Additional Debug and QA UI for SeaMonkey development and testing.
User Agent Changer Requires Restart
Adds a menu and a toolbar button to change the user agent of a browser.
BrightSide XUL Installer
Automatically installs a set of domains to the Remote XUL whitelist.
Key Manager Requires Restart
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
To create your own collections, you must have a Mozilla Add-ons account.