拡張機能
Opera に新機能を追加することができます
Hola Better Internet
Access websites blocked in your country, company or school with Hola! Hola is free and easy to use!
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.
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
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。
Bookmarks Import & Export
Opera Bookmarks Import & Export
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
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。
Gmail Notifier
Multiple label and account notifier for Google Mail (Gmail)
AdBlocker for YouTube™ Video
removes all sorts of advertisement and banners from YouTube
Outlook.com Speed Dial
New Outlook.com Speed Dial extension shows you if you have new messages in your Outlook.com account when you're signed in.
uTorrent easy client
Extension add uTorrent web GUI in your web browser
YouTube™ Flash-HTML5
Play YouTube Videos in Flash or HTML5 Player
SurfEarner
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
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.
Pushbullet
Bringing together your devices, friends, and the things you care about.
Yandex Wordstat Assistant
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
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
Youtube on speeddial
Shows videos from Youtube subscriptions on speeddial
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。
Classic Notes
Old-styled notes in your extensions sidebar. http://fidel.im/classic-notes?en
I don't care about cookies
Get rid of annoying cookie warnings from almost all 'infected' websites!
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とGoogle Inbox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