拡張機能
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
GitHub Extension
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
HypeStat Analyzer
Check any website's traffic
md5 hash generator
MD5 hash generator (offline mode)
Nextsense XML Signing Component
Signing XML document.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
TabZen
Helps you remember why you opened tabs, organize by purpose, and get smart reminders for unfinished tabs.
retire.js
Scanning website for vulnerable js libraries
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
RestMan
RESTMan is a browser extension to work on http requests.
Page Load Time
Displays page load time in the toolbar
Extension Auditor
Browser Extension Security & Privacy Analyzer
SelectorsHub
Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.
StyleMaster
Добавление пользовательских стилей CSS на веб-сайты
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Textmode Overlay
<canvas> と <video> 要素をライブ ASCII アートに変換。
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
Bug Magnet
Bug Magnet
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
Favicon Stealer
Very simple thing for their job
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Password Show - Reveal Login Passwords
Reveal hidden password fields only during login. Includes whitelist and blacklist options.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Stethoscope
Check the health of a github repo with one easy step.
Gridify - Keyboard Link Selector
マウスを使わずにキーボードを数回叩くだけで、現在のページ上のリンク、画像、入力ボックス、選択可能な領域を選択することができます。