拡張機能
uBlock Origin
高効率ブロッカーついに登場。CPU とメモリーに負担をかけません。
Translator
Translate selected or entered text
Video Downloader VeeVee
ビデオ ダウンローダー VeeVee – インターネットからビデオをダウンロードします。
Bitwarden Password Manager
自宅、職場、または外出先でも、Bitwarden はすべてのパスワード、パスキー、機密情報を簡単に保護します。
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Video Hunter Downloader
ビデオ ダウンローダーVideo Hunter – インターネットからビデオをダウンロードします。
Sidebar for Youtube Music
Youtube Music sidebar extension
Pacman
A Pacman game on a popup, now version 1.2!
Facebook Opera Sidebar
Access Facebook through Opera Sidebar.
Sidebar Calc
Sidebar Calculator - Fast and Simple
Sidebar for YouTube™
Simple access to YouTube using the sidebar UI
Note Sidebar
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
QR Code Generator
Generate any QR code anytime, even offline
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Vertical Tabs
Manage your tabs in the sidebar!
Black Menu for Google™
様々なGoogleサービスにかんたんアクセス
Sidebar Sketch
Sketch anytime on your sidebar, even offline.
Sidenotes
Simple notes for your Opera sidebar
Emoji Minesweeper
Play Minesweeper as Emojis!
Sudoku Sidebar
Play Sudoku on Sidebar anytime in your browser! even offline!
Bing Translate
Easily access Bing Translate from Opera's sidebar
Page Sidebar | Open any page in side panel
Effortlessly open any website in your web browser's sidebar – streamline your workflow instantly!
Web Panel
Navigate to websites in the sidebar.
Sudoku v2
Play Sudoku from sidebar anytime even offline
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Google Messages Sidebar
Access to Google Messages website on the sidebar.
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
PageExpand
画像の一括ダウンロード、画像のポップアップ、サムネイルやビデオの展開、短縮URLの展開、URL文字列のリンク化、リファラ置換、主要掲示板の拡張表示など...
ChessGrow
Give easy access to ChessGrow from sidebar.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.