Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.770 gebruikers
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)
15.214 gebruikers
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
14.862 gebruikers
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.038 gebruikers
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
12.730 gebruikers
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)
12.690 gebruikers
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12.381 gebruikers
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.
12.154 gebruikers
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
12.049 gebruikers
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
11.819 gebruikers
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
11.246 gebruikers
Modify Header Value
Add, modify or remove a header for any request on desired domains.
11.093 gebruikers
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
11.036 gebruikers
Simulateur mobile
Simulateur de smartphone sur ordinateur très réaliste avec plusieurs modèles disponibles pour tester son site mobile.
10.842 gebruikers
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10.359 gebruikers
Angular DevTools
Angular DevTools extends Firefox DevTools adding Angular specific debugging and profiling capabilities.
9.601 gebruikers
