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。
VirtualShield - Fast and reliable VPN
Browse the web safely and anonymously. Built for privacy protection, backed by our fast, reliable, and secure network.
ibVPN - Best VPN & Proxy
Best VPN & Proxy for Unblocking Restricted Websites
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
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。
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。
uTorrent easy client
Extension add uTorrent web GUI in your web browser
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。
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。
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。
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.
YouTube™ Flash-HTML5
Play YouTube Videos in Flash or HTML5 Player
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
ColorPicker Eyedropper
A color-picker tool that allows you to select color values from webpages.
Pushbullet
Bringing together your devices, friends, and the things you care about.
Side Calculator
Calculator on the new sidebar of Opera.
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
Gmail Notifier
Notifies you about unread e-mail in your Gmail account.
Google Keep Sidebar
Access to Google Keep website on the sidebar.
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.
SimpleProxy
A simple proxy management tool
MailTrack for Gmail
無料で使用回数無制限のEメールトラッキング。Gmail内で送信済みと既読をお知らせするダブルチェックマーク (✓✓) が表示されま