Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.951 usuários
SeoQuake SEO extension
Acelere suas iniciativas de SEO rapidamente. O SEOquake é um plugin gratuito para navegadores que lhe fornece as principais métricas de SEO para uma página específica, juntamente com outras ferramentas úteis, como a Auditoria de SEO e muitas outras.
15.805 usuários
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)
14.554 usuários
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
13.935 usuários
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.449 usuários
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)
12.825 usuários
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.
12.600 usuários
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
12.041 usuários
Simulateur mobile
Simulateur de smartphone sur ordinateur très réaliste avec plusieurs modèles disponibles pour tester son site mobile.
11.939 usuários
Modify Header Value
Add, modify or remove a header for any request on desired domains.
11.188 usuários
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
11.124 usuários
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
11.086 usuários
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
10.926 usuários
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.071 usuários
axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
9.872 usuários
Angular DevTools
Angular DevTools extends Firefox DevTools adding Angular specific debugging and profiling capabilities.
9.795 usuários
