Web Development

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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.

Rated 5 out of 5 stars (44)
29,279 users

JSON Lite

Fast JSON viewer - highlights, shows items count/size, handles large files

Rated 5 out of 5 stars (4)
1,812 users

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.

Rated 3 out of 5 stars (88)
230,616 users

ipFood Requires Restart Featured

Simulate the use of a series of proxy changing at each new connection.

Rated 5 out of 5 stars (6)
52,856 users

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.

Rated 4 out of 5 stars (12)
1,813 users

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
http://www.firemath.info

Speed up scientific scripting! Improve your science!

Rated 4 out of 5 stars (12)
4,519 users

signTextJS plus

window.crypto.signText replacement plus enhancements

Rated 5 out of 5 stars (7)
20,305 users

Textise

Creates a text-only version of almost any web page. Great for accessibility, SEO and printing.

Rated 3 out of 5 stars (20)
5,434 users

Copy Pure Text Requires Restart

Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.

Rated 4 out of 5 stars (15)
5,748 users

Remote XUL Manager

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.

Rated 5 out of 5 stars (37)
85,973 users

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.

Rated 5 out of 5 stars (11)
2,132 users

SelBlocks (for Selenium IDE) Requires Restart

This is a language extension for Selenium IDE that provides javascript-like conditionals, looping, callable functions, error catching, and JSON/XML driven parametrization.

Rated 4 out of 5 stars (2)
6,961 users

Stored Variables (Selenium IDE) Requires Restart

A plugin for Selenium-IDE to interactively explore and manage stored variables

Rated 5 out of 5 stars (1)
5,167 users

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.

Rated 4 out of 5 stars (5)
1,075 users

Safari View Win Requires Restart

Adds a context menu entry to open the currently viewed web page in Safari on Windows.

Rated 4 out of 5 stars (8)
1,016 users

SSO Tracer Requires Restart

A debugger for SSO by filtering HTML requests, flagging authentication messages and displaying SAML messages.

Rated 4 out of 5 stars (3)
2,978 users

Redux DevTools

DevTools for Redux with actions history, undo and replay.

Rated 5 out of 5 stars (4)
1,587 users

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.

Rated 4 out of 5 stars (9)
4,943 users

Cross Domain - CORS

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.

Rated 3 out of 5 stars (2)
1,587 users

Asciidoctor.js Live Preview

Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!

Rated 5 out of 5 stars (4)
1,758 users