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。
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Side Calculator
Calculator on the new sidebar of Opera.
V7 Bookmarks
あなたのサイドバー用ブックマークマネージャー
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Skype Sidebar
Access to Skype for Web on 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
Google Translate Sidebar for Opera
Access Google Translator through Opera Sidebar. This extension is UNOFFICIAL, and has nothing to do with Google.
Raindrop.io - Smart Bookmarks
"Save Button" for Web
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
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
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
Bookmarks by the Side
シンプルなブックマークサイドバー。
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。
V7 Tabs
Sidebar windows and tabs
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
TweetTab
Access to Twitter mobile site. For Opera 29+ only.
V7 Stash
Save pages for later reading
Web Panel
Navigate to websites in the sidebar.
Vertical 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
Tree Tabs
Manage your tabs in the sidebar!