拡張機能
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Modify Header Value
Add, modify or remove a header for any request on desired domains.
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, ...
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Fingerprint Guard – Privatsphäre & Proxy
Verschleiert deinen digitalen Fingerabdruck (Canvas, WebGL, Audio u.v.m.) und erlaubt eigene Proxy- sowie Blocklisten.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Image Resizer
Rescale multiple images into different sizes in a single step
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
SeoQuake extension
SEOquakeは、SEO Auditなどの便利なツールと共に、主要なSEO指標を提供する無料のプラグインです
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
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。
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
NoFollow
Outline nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
Disable Cookies
Disable cookies for current domain.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Font Inspector
Click on any HTML element to get the font info in a popup!
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
View Page Source
ボタンをクリックするだけでページのソースにアクセスできます。
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Random password generator
A simple random password generator for Opera browser
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
PIX Studio Plugin
PIX RPA Studio Plugin
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.