Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
14 674 uživatelů
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
14 426 uživatelů
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)
14 359 uživatelů
Поиск Яндекс
Добавляет Яндекс к поисковым движкам.
14 186 uživatelů
Text Link
Allows URI texts written in webpages to be loaded by double clicks.
13 965 uživatelů
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
13 393 uživatelů
RESTED
A REST client for the rest of us
12 637 uživatelů
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12 560 uživatelů
Export Cookies
Export cookies to a Netscape format cookies.txt file.
12 317 uživatelů
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)
11 856 uživatelů
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
11 657 uživatelů
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.
11 640 uživatelů
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11 288 uživatelů
Simulateur mobile
Simulateur de smartphone sur ordinateur très réaliste avec plusieurs modèles disponibles pour tester son site mobile.
10 852 uživatelů
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
10 614 uživatelů
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
10 208 uživatelů
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10 131 uživatelů
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
10 085 uživatelů
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10 068 uživatelů
Fonts Ninja
Speed up your design workflow!
9 995 uživatelů
Empty Cache Button
Cache clearing made easy. One click.
9 987 uživatelů
RESTer
A REST client for almost any web service.
9 511 uživatelů
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9 341 uživatelů
Imageye - Image downloader
Find and download all images on a web page.
9 123 uživatelů
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
8 982 uživatelů