Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
PDF API HTML5
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Custom Style Script
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Disable cookies for current domain.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Code tree for GitHub
Click on any HTML element to get the font info in a popup
This extension allows you to add your own custom website specific CSS style sheets.
Use Redux DevTools in the DevTools
View all HTTP Requests and Responses sent between the Web browser and the Web server.
Open in GIMP photo editor
Adds a context menu item to send images directly to GIMP photo editor
Zend Debugger Toolbar
Provides integration with Zend debugging and profiling tools.
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, ...
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
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.
SEO TOOLS - YATEO
Opens all the essential tools for SEO in one click.
Browse JSON like you do it in Finder.
Website Color Changer
Extends the Developer Tools, adding a sidebar for colors manipulation
This extension is only made for Pakistan Hajj Mission - Medina. It works on Data Entry website and this is Developed by Hamza Mughal
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
Corser - Authorize CORS requests
Cross-browser extension for authorizing cross-origin resource sharing (CORS) requests. This extension can be installed on browsers supporting the WebExtensions API (https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions) It intercepts all CORS requests and responses headers, and records/adds/changes their values so as to authorized unauthorized CORS requests. Use this extension only for testing purposes
Get Thumbnails or Image to video YouTube
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
SEO Analysis with Seoptimer
Just one click to SEO Analysis with Seoptimer
Remove cookie(s) for the current domain
Remove cookie(s) for the current site with just one click
Automatically login to Basic Authentication using data based on URL regexp.