Picture in Play
Indicates whether the `picture` element is in use on a page.
Scan your NFT assets.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Random password generator
A simple random password generator for Opera browser
Novibyte Issues Plugin
Jira Issues Management
Disable cookies for current domain.
Custom Style Script
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
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.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
This extension allows you to add your own custom website specific CSS style sheets.
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!
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
A browser extension that brings a new GitHub experience
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
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, ...
A small extension to validate the markup of current tab
Quickly view the HTTP headers of the current tab.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
The tool to overlap your website layout with a grid.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support