Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Click on any HTML element to get the font info in a popup
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
PDF API HTML5
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Quickly view the HTTP headers of the current tab.
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
OctoLinker is the easiest and best way to navigate between files and projects on GitHub.com. Files containing the following keywords will now have links that redirect you either to the relative file or to the projects GitHub page. Depending on the value, it may redirect you to an external website like a manual page or another service.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Code tree for GitHub
Zend Debugger Toolbar
Provides integration with Zend debugging and profiling tools.
Custom Style Script
WordPress Theme and Plugins Detector
Detects the theme and plugins used in WordPress and display information about them.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Browse JSON like you do it in Finder.
Remove cookie(s) for the current domain
Remove cookie(s) for the current site with just one click
Nextsense XML Signing Component
Signing XML document.
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
This extension allows you to add your own custom website specific CSS style sheets.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
GitHub Source Code Minimap
GitHub Source Code Minimap
Website Color Changer
Extends the Developer Tools, adding a sidebar for colors manipulation
An extention to show/inspect and analyze fonts in web-pages.
The simplest extension for working with web fonts
Open in GIMP photo editor
Adds a context menu item to send images directly to GIMP photo editor
Java Interview Questions
This is an Speed Dial extension for Java Interview Questions & Answers