拡張機能
CryptoPro Extension for CAdES Browser Plug-in
Расширение позволяет использовать КриптоПро ЭЦП Browser plug-in в браузере. Для работы требует установленного ЭЦП Browser plug-in.
Cleaner Pro - Clear Cache & History
キャッシュとオペラの閲覧データをクリアする最良の方法！
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
My IP Address Checker: Test IP + IPv6 + VPN
Displays IP address info and details like location + VPN usage when clicking on the IP button
Контур.Расширение
EditThisCookie
EditThisCookieはCookie管理ソフトです。Cookieを追加、削除、編集、検索、保護、そしてブロックすることができます！
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Full Screen
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
Color Picker - Native Eyedropper
画面上のピクセルの色を虫眼鏡のスポイトで決定します。色の選択履歴やクリップボードコピーにも対応
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Allow Copy-Right Click
Allow Right click, Allow copy, Selection on web sites that prevent it
Контур.Плагин
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
Font Finder
選択した要素のCSSスタイルを取得するための使いやすいフォントインスペクター
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
PerfectPixel by WellDoneCode
この拡張機能は、ピクセル単位の精度でWebサイトを開発するのに役立ちます！
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Помощник диагностики
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
FullScreen for Opera
フルスクリーン、＃1ズーム、ダークモードのオプションは1つになります
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
SEO-tools
SEO-tools - information about domains, site audit for SEO errors, as well as technical audit of any page. Over 100 online services
Clear Cache
Clear your cache and browsing data with a single click of a button.
Image Extractor
Extracts image names and allows copying image URLs.
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.
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
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Random password generator
A simple random password generator for Opera browser