Emoji Keyboard Featured
A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.
Fast JSON viewer - highlights, shows items count/size, handles large files
Quick Locale Switcher Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
ipFood Requires Restart Featured
Simulate the use of a series of proxy changing at each new connection.
Take Screenshots, Screen Grab with Online Upload Requires Restart
Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.
FireMath Requires Restart
FireMath is an equation editor based on MathML, the mathematical markup language.
Find examples, FAQ, installation instructions and a discussion board at
Speed up scientific scripting! Improve your science!
window.crypto.signText replacement plus enhancements
Creates a text-only version of almost any web page. Great for accessibility, SEO and printing.
Copy Pure Text Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
AInspector Sidebar Requires Restart
AInspector Sidebar evaluates the accessibility compliance of web pages based on WCAG 2.0 Level A and AA requirements using OpenAjax Alliance rulesets. It organizes the evaluation results by Rule Categories and WCAG Guidelines.
SelBlocks (for Selenium IDE) Requires Restart
Stored Variables (Selenium IDE) Requires Restart
A plugin for Selenium-IDE to interactively explore and manage stored variables
WATS Requires Restart
WATS is a SiteCatalyst HTTP monitor for Firefox. This add-on allows to visualize requests sent from websites to SiteCatalyst servers. It aims to make the testing process of the SiteCatalyst implementations easier.
Safari View Win Requires Restart
Adds a context menu entry to open the currently viewed web page in Safari on Windows.
SSO Tracer Requires Restart
A debugger for SSO by filtering HTML requests, flagging authentication messages and displaying SAML messages.
DevTools for Redux with actions history, undo and replay.
WCAG Contrast checker Requires Restart
Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.
Cross Domain will help you to deal with cross domain - CORS problem. This is a small tool will helpful for web developer and related domain that face with cross domain issue.