Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
773 users
RDS bar (seo: pr, dmoz, alexa, seomoz)
RDS Bar is a handy tool for quick analysis of website and page SEO indicators, designed for webmasters and optimizers. And also with a number of useful features for ordinary users.
765 users
HAR/JSON viewer
Embedded HAR/JSON viewer. Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view.
762 users
JSON Beautifier & Editor
Display JSON objects by transforming them into Syntax editable highlighted HTML
757 users
Moesif Origin & CORS Changer
The most popular and feature rich CORS tool on Chrome (over 100K weekly active users) is rebuilt for Firefox with more features. This plugin allows you to send cross-domain requests. You can also override Request Origin and CORS headers.
752 users
Web Editor
Edit the every web page you want !! .... Making your own custom web page , using any other web page is just a click away !!! You can convert any web page into an editable document , which can then be edited and saved .
746 users
Live Reload — monitor and reload html, css, js
Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.
739 users
GhostText
Use your text editor to write in your browser. Everything you type in the editor will be instantly updated in the browser (and vice versa).
739 users
Request Interceptor
Intercept HTTP and HTTPS Requests. Add custom rules to modify request/response headers, block/redirect requests, modify query params. Example Usage: This extension can be used to block all ads having url (*/ad.x.com/*) by creating rules
739 users
Github Repository Size
Add repositories size to their GitHub summary band using the GitHub public API.
737 users
Color Picker
A simple color picker extension. Easily pick any color on the screen, view history of picked colors, and copy or clear them with a single click.
728 users
Google Cache
Google Cache lets you visit retrieve the web page from Google Web Cache when the site is offline.
722 users
Save Website as Image
Simple addon, to save a snapshot of a website via a click on the toolbar icon or a custom shortcut
713 users
FxIF
View exIF allows you to view metadata contained in .jpg and .tiff images from your Firefox browser.
712 users
Bootstrap - Responsive Helper
Show the Bootstrap grid class currently active (XS, SM, MD, LG, XL, XXL). Tested and work with the versions: 3, 4, 5 Not compatible versions: 4 Alpha 2
708 users
