拡張機能
Notepad
A simple yet powerful notepad with HTML5 support and more
VectorDraw - Paint on Tab
インタラクティブなオブジェクト（円、長方形、多角形）を描画したり、ブラシツールを使って現在のタブ上に書き込み、その結果をキャプチャすることが可能
Tabsets.net
Use the tabsets.net browser extension to safely keep track all your tabs and links in the Side Panel, locally or in the cloud
Video Converter
Convert any video file to selected formats (i.e. mp4) inside your browser!
Copy As Plain Text
Copy as plain text the content of web pages with rapid preview using context menu
TrustPlugin
Расширение для браузера «TrustPlugin»
Image to Text (OCR)
高品質のテキスト出力を備えた高速でシンプルなドキュメントスキャナーアプリ。
YouTube Ad Muter
Automatically mute sound for YouTube ads
SponsorBlock Facebook™ - Skip Sponsorships
迷惑な広告なしで、迷惑なスポンサー投稿や推奨投稿をすべて Facebook™ ビデオから削除します。
Cache Cleaner
Easily clear browser's cache via toolbar popup.
Boomerang for Gmail™
Allows you to schedule messages to be sent or returned at a later date.
Smart RSS
RSS Reader for Opera 15+!
Mouse Gestures
Extension that provides the ability to define mouse gestures that will run specific actions in your browser
Ad Blocker for Facebook™ App (Video & Images)
Blocks video and image ads from the facebook app news feed. And it actually works
2FAS - Two factor authentication
2FAS extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
Web Apps by 123apps
Edit, Convert, Create
Copy URLs
Copy all URLs to clipboard
Save Tabs
Save and restore all tabs from toolbar popup!
GOOGLE APPS
All google web apps with a single click
Tab Reloader
An easy-to-use tab reloader with custom reloading time for individual tabs and more!
Todoist for Opera
Todoist for Opera で仕事と生活を管理
FastProxer
A quicker way to navigate on Proxer.me streams! [German]
Tree Tabs
Manage your tabs in the sidebar!
Speed Tweaks
Speed up your browser with few tweaks via toolbar popup!
Magnifying Glass (Hover Zoom)
Press on the toolbar button to see the magnifying glass on the current page.
Speed-Up Browsing
Speeds up browsing over the time, by adding missing Cache-Control response headers.
Digital Clock
A simple digital clock.
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...
Date Today
The best clock to see in one glance the current day and time. With an option to see the digital clock in the browser toolbar.
YouTube™ No Buffer (Stop Auto-playing)
Prevents YouTube HTML5 and Flash players from auto-buffering (auto-playing) videos
Auto Tab Discard
たくさんのタブを開いている時のメモリ使用量を軽減し、ブラウザを高速化します。
Tabsbook