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。
Pacman
A Pacman game on a popup
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。
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
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
V7 Bookmarks
あなたのサイドバー用ブックマークマネージャー
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Tree Tabs
Manage your tabs in the sidebar!
V7 Notes
古いタイプのOperaノート
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Vertical 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
Web Panel
Navigate to websites in the sidebar.
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
V7 Sessions
サイドバー用セッションマネージャー
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Tab Sidebar
A sidebar extension for tab management.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
V7 History
あなたのサイドバーで閲覧履歴にアクセス
V7 Extension Manager
simple extension manager for your side bar
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
V7 Tabs
Sidebar windows and tabs
Free File Sender
Free file transfer
V7 Stash
Save pages for later reading
Bookmarks by the Side
シンプルなブックマークサイドバー。