拡張機能
uBlock Origin
高効率ブロッカーが遂に登場。CPUとメモリーの負担を抑えます。
Translator
Translate selected or entered text
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Instagram Sidebar
Access to Instagram.
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。
V7 Bookmarks
あなたのサイドバー用ブックマークマネージャー
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Side Calculator
Calculator on the new sidebar of Opera.
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
Google Translate Sidebar for Opera
Access Google Translator through Opera Sidebar. This extension is UNOFFICIAL, and has nothing to do with Google.
Bookmarks by the Side
シンプルなブックマークサイドバー。
V7 Notes
古いタイプのOperaノート
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Raindrop.io - Smart Bookmarks
"Save Button" for Web
SimpleExtManager
拡張機能のアクセス権限をシンプルなメニューを用いて有効化・無効化することができます。
Quick Notes
The extension allows you to quickly save text notes on the sidebar of your browser.
V7 History
あなたのサイドバーで閲覧履歴にアクセス
Vertical Tabs
Manage your tabs in the sidebar!
TweetTab
Access to Twitter mobile site. For Opera 29+ only.
V7 Tabs
Sidebar windows and tabs
Web Panel
Navigate to websites in the sidebar.
V7 Stash
Save pages for later reading
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
Tree Tabs
Manage your tabs in the sidebar!
V7 Extension Manager
simple extension manager for your side bar
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.