拡張機能
Hola Free VPN Proxy Unblocker
Unblock websites blocked in your country, company or school with Hola VPN. Hola is free and easy to use!
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
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。
Side Calculator
Calculator on the new sidebar of Opera.
Google™ Translate
Google翻訳で選択したテキストを翻訳します。
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
Free Avira Phantom VPN - Unblock Websites
Climb over firewalls to access any site – securely and privately. Unlimited data & FREE.
ibVPN - Best VPN & Proxy
Best VPN & Proxy for Unblocking Restricted Websites
I don't care about cookies
Get rid of cookie warnings from almost all websites!
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。
Grammar and Spell Checker - LanguageTool
Check your texts for spelling and grammar problems everywhere on the web
uTorrent easy client
Extension add uTorrent web GUI in your web browser
Google Keep Sidebar
Access to Google Keep website on the sidebar.
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。
Gmail Notifier
Multiple label and account notifier for Google Mail (Gmail)
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。
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
Adblocker for Youtube™
Block all Youtube Ads! Augment your YouTube experience with Fullscreen Theater Mode, Video Screenshot, Volume Booster and many more
G App Launcher (Customizer for Google™)
Google™サービスやウェブサイトにすばやくアクセス
DownThemAll!
ブラウザ用マスダウンローダー
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
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
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。
ColorPicker Eyedropper
A color-picker tool that allows you to select color values from webpages.
Quick Notes
The extension allows you to quickly save text notes on the sidebar of your browser.
h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
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
NordPass Password Manager & Digital Vault
NordPass is your freedom from password stress. Generate and securely store strong passwords and autofill them with a single click.
Gmail Notifier
Notifies you about unread e-mail in your Gmail account.