ipFood Vereist herstart Aanbevolen

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

Waardering 5 van 5 sterren (6)
51.612 gebruikers


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

Waardering 5 van 5 sterren (4)
1.441 gebruikers

Emoji Keyboard Aanbevolen

A free extension of the web tools https://emojikeyboard.org & https://coolsymbol.com. It helps input emoji in the browser with an extensive search functionality to facilitate getting emoji by keywords - Sponsored by https://charactercounttool.com.

Waardering 5 van 5 sterren (44)
20.437 gebruikers

signTextJS plus

window.crypto.signText replacement plus enhancements

Waardering 5 van 5 sterren (7)
17.116 gebruikers

Quick Locale Switcher Vereist herstart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Waardering 3 van 5 sterren (88)
184.159 gebruikers

Take Screenshots, Screen Grab with Online Upload Vereist herstart

Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.

Waardering 4 van 5 sterren (12)
1.507 gebruikers

FireMath Vereist herstart

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!

Waardering 4 van 5 sterren (12)
3.592 gebruikers


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

Waardering 3 van 5 sterren (20)
4.371 gebruikers

Asciidoctor.js Live Preview

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

Waardering 5 van 5 sterren (4)
1.545 gebruikers

iMacros for Firefox Aanbevolen

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Waardering 4 van 5 sterren (436)
1.348.970 gebruikers

FB unseen

Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.

Waardering 5 van 5 sterren (2)
1.454 gebruikers

Quick Accept-Language Switcher

Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.

Waardering 4 van 5 sterren (7)
1.326 gebruikers

Copy Pure Text Vereist herstart

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

Waardering 4 van 5 sterren (15)
4.694 gebruikers

Redux DevTools

DevTools for Redux with actions history, undo and replay.

Waardering 5 van 5 sterren (4)
1.371 gebruikers

AInspector Sidebar Vereist herstart

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.

Waardering 5 van 5 sterren (11)
1.770 gebruikers

Trello Card Numbers

Display card numbers in Trello.

Waardering 5 van 5 sterren (1)
1.156 gebruikers

WCAG Contrast checker Vereist herstart

Permite comprobar el grado de cumplimiento de los niveles de contraste, luminosidad y brillo en la combinación de colores de los contenidos textuales en base a los requerimientos de las WCAG 1 y WCAG 2.

Waardering 4 van 5 sterren (9)
4.241 gebruikers

Fangs Screen Reader Emulator Vereist herstart

Fangs renders a text version of a web page similar to how a screen reader would read it. The ambition is to help developers understand how an assistive device would present a website and thereby increase chances of finding accessibility issues early.

Waardering 5 van 5 sterren (10)
3.999 gebruikers

Seerobots Vereist herstart

Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...

Waardering 4 van 5 sterren (9)
2.219 gebruikers

FireMobileSimulator Vereist herstart


Waardering 4 van 5 sterren (11)
39.343 gebruikers