拡張機能
Translator
Translate selected or entered text
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。
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。
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Bitwarden - Free Password Manager
Bitwarden はあらゆる端末で使える、安全な無料パスワードマネージャーです。
Pacman
A Pacman game on a popup, now version 1.2!
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
Facebook Opera Sidebar
Access Facebook through Opera Sidebar.
Side Calculator
Calculator on the new sidebar of Opera.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar Sketch
Sketch anytime on your sidebar, even offline.
Sidebar for Youtube Music
Youtube Music sidebar extension
QR Code Generator
Generate any QR code anytime, even offline
V7 Bookmarks
あなたのサイドバー用ブックマークマネージャー
Note Sidebar
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
Emoji Minesweeper
Play Minesweeper as Emojis!
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Sudoku Sidebar
Play Sudoku on Sidebar anytime in your browser! even offline!
Bing Translate
Easily access Bing Translate from Opera's sidebar
Vertical Tabs
Manage your tabs in the sidebar!
Tree Tabs
Manage your tabs in the sidebar!
Raindrop.io - Smart Bookmarks
全部入りブックマーク管理ツール
V7 Notes
古いタイプのOperaノート
Sudoku v2
Play Sudoku from sidebar anytime even offline
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Web Panel
Navigate to websites in the sidebar.
Google Messages Sidebar
Access to Google Messages website on the sidebar.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
ChessGrow
Give easy access to ChessGrow from sidebar.