IE Tab V2 (Enhanced IE Tab) Requires Restart
Note: If you are encountering the Connecting... problem see instructions below.
The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.
BetterPrivacy-signed Requires Restart Featured
Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...
RESTClient, a debugger for RESTful web services. Requires Restart
Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.
Please follow the link ("View other versions") below To install version 2.0.1.
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.
ColorZilla Requires Restart
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!
Cookies Manager+ Requires Restart
Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
Rotates complete browser profiles ( from real browsers / devices ) at a user defined time interval. It includes many extra privacy enhancing options
HttpRequester Requires Restart
A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions.
Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!
Autofill Requires Restart
Autofill is a small but powerful add-on that serves one purpose: fill form fields automatically on page load. It is for people who just want a straightforward form filler without all the bells and whistles.
IE Tab Requires Restart
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
Override browser user agent string
Advanced Cookie Manager Requires Restart
A must have tool for Web Developers and Testers to Manage and monitor web cookies.
Export / Backup
Import / Restore
Available in English, French, Spanish, German and Italian languages.
Live HTTP Headers Requires Restart
View HTTP headers of a page and while browsing.
Screengrab (fix version) Requires Restart Featured
Screengrab! saves webpages as images.
New features: upload to internet
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
HackBar Requires Restart
Simple security audit / Penetration test tool.
Favorites (Selenium IDE) Requires Restart
A plugin for Selenium-IDE to have favorite test suites and open and execute the test suites with a single click