Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.543 usuarios
SeoQuake
SEOquake es un plugin gratuito para navegadores que te ofrece las principales métricas SEO para una determinada página, junto con otras herramientas útiles, como, por ejemplo, Auditoría SEO
15.409 usuarios
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
14.481 usuarios
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
13.741 usuarios
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.259 usuarios
javascript
add javascript that will run on this domain. back up your scripts in the options area (shortcut there by clicking the "JS" letters in the bottom right)
12.596 usuarios
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
12.243 usuarios
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
11.978 usuarios
Simulador móvil
Simulador de teléfono inteligente en computadora muy realista con varios modelos para probar sitios web móviles.
11.638 usuarios
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
10.875 usuarios
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
10.812 usuarios
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10.794 usuarios
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
10.691 usuarios
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9920 usuarios
axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
9504 usuarios
