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!
Tampermonkey
The world's most popular userscript manager
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
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。
Google™ Translate
Google翻訳で選択したテキストを翻訳します。
Grammar and Spell Checker - LanguageTool
Check your texts for spelling and grammar problems everywhere on the web
Adblocker for Youtube™
Block all Youtube Ads! Augment your YouTube experience with Fullscreen Theater Mode, Video Screenshot, Volume Booster and many more
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
DuckDuckGo for Opera
DuckDuckGo enhancements for Opera.
I don't care about cookies
Get rid of cookie warnings from almost all websites!
Free Avira Phantom VPN - Unblock Websites
Climb over firewalls to access any site – securely and privately. Unlimited data & FREE.
Side Calculator
Calculator on the new sidebar of Opera.
uTorrent easy client
Extension add uTorrent web GUI in your web browser
Total AdBlock
Instantly block annoying ads, pop-ups & intrusive trackers with Total Adblock.
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。
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
G App Launcher (Shortcuts for Google™)
Google™サービスやウェブサイトにすばやくアクセス
Twitch Channel Points Bonus Collector
Auto-clicks the Channel Points bonus button when it appears.
AdBlocker for YouTube™ Video
removes all sorts of advertisement and banners from YouTube
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。
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
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)
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
ColorPicker Eyedropper
A color-picker tool that allows you to select color values from webpages.
h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
DownThemAll!
ブラウザ用マスダウンローダー
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
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。
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。