拡張機能
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
Kalkulator PRPG by dabox
Profesjonalny system automatycznej wyceny pojazdów dla graczy ProjectRPG. Stworzony przez dabox.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Web Edit
ボタンをクリックするだけで、Web サイトを一時的に簡単に編集できます。
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
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.
CSSViewer
CSSViewer
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
View Page Source
Get access to the page source with the click of a button.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
sha1 hash generator
SHA1 hash generator (offline mode)
CSS & JS Injector
Easily customize your browsing experience CSS & JS Injector is a tool for developers, designers, and power users. Apply custom CSS styles and JavaScript to specific websites effortlessly. Boost productivity and customize the look, feel, and functionality of websites without altering its source code.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
TwicPics Companion
Using TwicPics has never been so easy!
Disable Cookies
Disable cookies for current domain.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Polypad (Open in App)
Polypad Open in App.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Font Inspector
Click on any HTML element to get the font info in a popup!
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
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
md5 hash generator
MD5 hash generator (offline mode)
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Network Information
Useful information about your system's connection including, type, speed, and rtt.