Ekstenzije
TV Emulator
The Vewd TV Simulator enables any developers to test and debug their HTML5 apps for the Vewd App Store.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Firebug Lite for Opera 15+
SEO-tools
Web Sniffer
View all HTTP Requests and Responses sent between the Web browser and the Web server.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
RemoteDev DevTools
Use Redux DevTools in the DevTools
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
JSON Finder
Browse JSON like you do it in Finder.
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
Picture in Play
Indicates whether the `picture` element is in use on a page.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
HTTP Headers
Quickly view the HTTP headers of the current tab.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
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, ...
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!
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Flag & WHOIS SEO Domain Full Info
Return the domain's IP address , information about security, localization of server, ping, etc.
JavaScript QR Code
Make QR Codes in JavaScript
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
SEO Analysis with Seoptimer
Just one click to SEO Analysis with Seoptimer
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Website Color Changer
Extends the Developer Tools, adding a sidebar for colors manipulation
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