Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.356 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
15.833 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)
14.408 usuarios
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
13.949 usuarios
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.613 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)
12.993 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.
12.679 usuarios
Simulador móvil
Simulador de teléfono inteligente en computadora muy realista con varios modelos para probar sitios web móviles.
12.295 usuarios
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
12.152 usuarios
Modify Header Value
Add, modify or remove a header for any request on desired domains.
11.276 usuarios
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
11.097 usuarios
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
10.863 usuarios
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
10.718 usuarios
axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
10.165 usuarios
Angular DevTools
Angular DevTools extends Firefox DevTools adding Angular specific debugging and profiling capabilities.
10.085 usuarios
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.046 usuarios
