拡張機能
MP3Convert - 320kbps Youtube to MP3 Converter
Opera extension to convert and download Youtube videos for free in MP3 format.
Color Picker
Search for the perfect color via an stylish color picker in a popup window.
Grammar Checker and Rewrite Tool — Linguix
Linguix AI Writing App makes your texts grammatically correct, clear, and highly effective on any website, across all browsers.
WEB.DE MailCheck
The safe way to access your personal mail.
Image to Text (OCR)
高品質のテキスト出力を備えた高速でシンプルなドキュメントスキャナーアプリ。
Print
Print the current page you see with one single click. And that for all kinds of photo printing, poster printing, brochure printer, newspaper printing, business cards and more.
Page Sidebar | Open any page in side panel
Effortlessly open any website in your web browser's sidebar – streamline your workflow instantly!
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
Web Panel
Navigate to websites in the sidebar.
ePub Reader
Read ePubs in a reader view style window, convert into PDF or use text to speech
Tabsets.net
Use the tabsets.net browser extension to safely keep track all your tabs and links in the Side Panel, locally or in the cloud
Notepad
A simple yet powerful notepad with HTML5 support and more
Redirector
Redirects URLs / modifies HTTP headers arbitrarily.
QR – QR Codes
Show QR code™ representing url of current tab or right clicked link
Yandex Wordstat Assistant
StudyTimer
A pomodoro timer extension to help you be more productive.
VectorDraw - Paint on Tab
インタラクティブなオブジェクト（円、長方形、多角形）を描画したり、ブラシツールを使って現在のタブ上に書き込み、その結果をキャプチャすることが可能
Google™ Keep
Google Keep is the easiest way to store your notes while you browse internet
AutoTabRefresh
Refresh your browser tab automatically at the desired interval.
eLang: Learn languages with Netflix & Youtube
映画、Netflix、YouTubeから言語を学ぶ。eLang Extension - ダブル字幕、パーソナライズ辞書など
Calculator
Visually appealing simple calculator! can be used with mouse or keyboard
Copy URLs
Copy all URLs to clipboard
Copy As Plain Text
Copy as plain text the content of web pages with rapid preview using context menu
Homepage in New Tab
This extension enables you to set homepage and open in new or current tab.
LibPlus - rozszerzenie do Librusa
Szybki podgląd średniej oraz inne funkcje w dzienniku Librus
Pushbullet
Bringing together your devices, friends, and the things you care about.
Screenshot YouTube Video
ワンクリックたけでYouTubeやOK.ruのビデオからのフレームのjpegフォーマットでのすばやい保存。
Black Menu for Google™
様々なGoogleサービスにかんたんアクセス
Todoist for Opera
Todoist for Opera で仕事と生活を管理
Open in VLC media player
オーディオやビデオのストリームを著名なVLC™メディアプレーヤーに直接送信する
GOOGLE APPS
All google web apps with a single click
Category Tabs for Google Keep™
Google Keepのメモ整理をかんたんに