Extensions
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Picture in Play
Indicates whether the `picture` element is in use on a page.
NFT Scanner
Scan your NFT assets.
Disable Cookies
Disable cookies for current domain.
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.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Random password generator
A simple random password generator for Opera browser
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
AddJS
This extension allows you to add your own custom website specific JavaScript.
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
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
WordPress Theme and Plugins Detector
Cet outil détecte les thèmes et les plugins utilisés sur les sites WordPress et affiche des informations à leur sujet.
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!
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
(X)HTML5 Checker
A small extension to validate the markup of current tab
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
Get Thumbnails or Image to video YouTube
Faites une vignette ou des images à partir de vidéos YouTube
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
HTTP Headers
Quickly view the HTTP headers of the current tab.