拡張機能
Hola Free VPN Proxy Unblocker
Unblock websites blocked in your country, company or school with Hola. Hola is free and easy to use!
Tampermonkey
The world's most popular userscript manager
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。
ibVPN - Best VPN & Proxy
Best VPN & Proxy for Unblocking Restricted Websites
VirtualShield - Fast and reliable VPN
Browse the web safely and anonymously. Built for privacy protection, backed by our fast, reliable, and secure network.
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
Adblock Fast
The world’s fastest ad blocker! Same ad blocking, 8x accelerated page loading.
Free Avira Phantom VPN - Unblock Websites
Climb over firewalls to access any site – securely and privately. Unlimited data & FREE.
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Bookmarks Import & Export
Opera Bookmarks Import & Export
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。
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。
Pocket (formerly Read It Later)
記事、ビデオなどをキャプチャする最も速く簡単な方法です。
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。
uTorrent easy client
Extension add uTorrent web GUI in your web browser
Youtube to MP3 Converter
Convert Youtube to MP3, the most trusted YouTube to MP3 tool. It's fast, free, download instantly and no registration is required.
Gmail Notifier
Multiple label and account notifier for Google Mail (Gmail)
I don't care about cookies
Get rid of annoying cookie warnings from almost all 'infected' websites!
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。
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
YouTube™ Flash-HTML5
Play YouTube Videos in Flash or HTML5 Player
Pushbullet
Bringing together your devices, friends, and the things you care about.
ColorPicker Eyedropper
A color-picker tool that allows you to select color values from webpages.
EverSync - Sync dials, backup dials
Synchronize your bookmarks, FVD Speed Dials. Secure online access. Backup, restore your bookmarks. Sync favorites between computers
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Disable HTML5 Autoplay
Disables autoplay of all HTML5 audio and video
AdBlocker for YouTube™ Video
removes all sorts of advertisement and banners from YouTube
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
Side Calculator
Calculator on the new sidebar of Opera.
Gmail Notifier
Notifies you about unread e-mail in your Gmail account.
Yandex Wordstat Assistant