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Website Links Checker
This tool helps you check all links from a page you are currently viewing.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Image Resizer
Rescale multiple images into different sizes in a single step
Extensions for Mermaid
A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub. A fork from the not updated GitHub + Mermaid extension.
Font Inspector
Click on any HTML element to get the font info in a popup!
retire.js
Scanning website for vulnerable js libraries
StyleMaster
Добавление пользовательских стилей CSS на веб-сайты
TwicPics Companion
Using TwicPics has never been so easy!
JavaScript QR Code
Make QR Codes in JavaScript
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
SelectorsHub
Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Nextsense PDF Signing Component
Signing PDF document.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Web Widgetizer
Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.
Network Information
Useful information about your system's connection including, type, speed, and rtt.
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
Nextsense XML Signing Component
Signing XML document.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Service Worker Detector
This extension detects if a website registers a Service Worker.
TabZen
Helps you remember why you opened tabs, organize by purpose, and get smart reminders for unfinished tabs.
Rabbit URL Opener
Rabbit URL Opener (Rahul Digital) - Bulk URL's Opener Extension just lets you open multiple URLs at once. More about Rabbit URL Opener http://rahuldigital.org/url-opener/ http://rahuldigital.com/url-opener/
HypeStat Analyzer
Check any website's traffic
Design Mode
Edit any page's content by switching to design mode, where you can modify the content and drag images around like a Word Editor