Text Link
Allows URI texts written in webpages to be loaded by double clicks.
13.322 wužiwarjow
Export Cookies
Export cookies to a Netscape format cookies.txt file.
13.302 wužiwarjej
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)
13.195 wužiwarjow
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
13.167 wužiwarjow
SeoQuake SEO extension
Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.
12.925 wužiwarjow
Xdebug Helper for Firefox
This extension is very useful for PHP developers that are using PHP tools with Xdebug support like PHPStorm, Eclipse with PDT, Netbeans and MacGDBp or any other Xdebug compatible profiling tool like KCacheGrind, WinCacheGrind or Webgrind.
12.596 wužiwarjow
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.241 wužiwarjow
Lightning Autofill
The most popular autofill extension, boosting productivity since 2010.
11.852 wužiwarjow
Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
11.233 wužiwarjow
RESTED
A REST client for the rest of us
11.097 wužiwarjow
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)
10.887 wužiwarjow
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.
10.883 wužiwarjow
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
9.830 wužiwarjow
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
9.823 wužiwarjow
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9.546 wužiwarjow
ScriptCat
Everything can be scripted, allowing your browser to do more!
9.367 wužiwarjow
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
9.339 wužiwarjow
Fonts Ninja
Speed up your design workflow!
9.210 wužiwarjow
Imageye - Image downloader
Find and download all images on a web page.
9.174 wužiwarjow
Empty Cache Button
Cache clearing made easy. One click.
9.090 wužiwarjow
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
8.784 wužiwarjow
Modify Header Value
Add, modify or remove a header for any request on desired domains.
8.704 wužiwarjo
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
8.533 wužiwarjow
RESTer
A REST client for almost any web service.
8.476 wužiwarjow
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
8.310 wužiwarjow