Extensions
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
stylish-hub
A browser extension that brings a new GitHub experience
Disable Cookies
Disable cookies for current domain.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Extension source viewer
View source code of extensions in the Chrome Web Store, Firefox or Opera addon gallery. Has button to install from Chrome Web Store.
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!
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
JIRA Template Injector
The description field of new JIRA issues will automatically be populated with a template relevant to the issue type
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, ...
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
SelectorsHub
xPath plugin to auto generate, write and verify xpath & cssSelector.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Modify Header Value
Add, modify or remove a header for any request on desired domains.
HTTP Headers
Quickly view the HTTP headers of the current tab.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
JavaScript QR Code
Make QR Codes in JavaScript
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.