拡張機能
Hola Better Internet
Access websites blocked in your country, company or school with Hola! Hola is free and easy to use!
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
convert2mp3.net Online Video Converter
Adds an option to convert YouTube.com, Dailymotion.com, and Clipfish.de Videos online to MP3, MP4 and more formats
Enhancer for YouTube
YouTube™のユーザーエクスペリエンスを向上させる多数の機能。
Tampermonkey
The world's most popular userscript manager
Speed Dial for Gmail
A minimal SpeedDial extension to show the unread email count and the first unread email's title.
ibVPN - Best VPN & Proxy
Best VPN & Proxy for Unblocking Restricted Websites
Adblock Fast
The world’s fastest ad blocker! Same ad blocking, 8x accelerated page loading.
VirtualShield - Fast and reliable VPN
Browse the web safely and anonymously. Built for privacy protection, backed by our fast, reliable, and secure network.
Evernote Web Clipper
Evernote の拡張機能を使用して、Web 上で見つけたページを Evernote アカウントに保存します。
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Turn Off the Lights
画面全体が暗くなり映画館にいる気分。YouTube™ ほか動画サイトでもOK。
Bookmarks Import & Export
Opera Bookmarks Import & Export
Pocket (formerly Read It Later)
Opera 向け Pocket 拡張機能 - 記事、ビデオなどを保存するベストな方法
Nimbus Screen Capture
ウェブページ全体やページの一部、またはブラウザウィンドウ全体をキャプチャ、スクリーンショットを編集し、ローカルファイルまたはGoogleドライブに画像を保存します。
uTorrent easy client
Extension add uTorrent web GUI in your web browser
AdBlocker for YouTube™ Video
removes all sorts of advertisement and banners from YouTube
I don't care about cookies
Get rid of annoying cookie warnings from almost all 'infected' websites!
Gmail Notifier
Multiple label and account notifier for Google Mail (Gmail)
YouTube™ Flash-HTML5
Play YouTube Videos in Flash or HTML5 Player
SurfEarner
SimilarWeb
エンゲージメント率、キーワード ランク、トラフィック ソースなどサイトのトラフィック、あらゆるサイトの主要指標を表示。
Set password for your browser ( Opera lock )
This extension will allow users to set password for the browser to avoid unauthorized access. Prompts for password on opera startup
Capture Webpage Screenshot - FireShot
ウェブページ全体をスクリーンショット撮影。PDF/JPEG/GIF/PNGでキャプチャ、編集、保存やアップロード、印刷、そしてOneNote、クリップボード、メールに送信できます。
FVD Speed Dial - New Tab Page
New Tab Page Replacement with 3D Speed Dial and predefined images, sync and organize your bookmarks, groups, and most visited
Pushbullet
Bringing together your devices, friends, and the things you care about.
Side Calculator
Calculator on the new sidebar of Opera.
Youtube on speeddial
Shows videos from Youtube subscriptions on speeddial
Classic Notes
Old-styled notes in your extensions sidebar. http://fidel.im/classic-notes?en
Gmail Notifier
Notifies you about unread e-mail in your Gmail account.
Yandex Wordstat Assistant
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.