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.
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
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！
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！
My IP Address Checker: Test IP + IPv6 + VPN
Displays IP address info and details like location + VPN usage when clicking on the IP button
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Контур.Расширение
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.
Allow Copy-Right Click
Allow Right click, Allow copy, Selection on web sites that prevent it
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
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
Контур.Плагин
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
Image Extractor
Extracts image names and allows copying image URLs.
SEO-tools
SEO-tools - information about domains, site audit for SEO errors, as well as technical audit of any page. Over 100 online services
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
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！
Помощник диагностики
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
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
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, ...