拡張機能
Opera Ad blocker
Built-in Ad blocker blocks ads and lets you surf the web up to 3x faster.
Opera Free VPN
Built-in free VPN for private browsing.
uBlock Origin
高効率ブロッカーが遂に登場。CPUとメモリーの負担を抑えます。
Adguard
AdGuardは、広告やポップアップ対処には比類のない広告ブロック拡張機能です。Facebook、YouTubeやその他のサイトで広告をブロックします。
Browsec
Browsec VPN is an Opera VPN extension that protects your IP from Internet threats and lets you browse privately for free.
360 Internet Protection
360インターネットセキュリティ
LastPass
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
ZenMate VPN
ZenMate VPN - the best cyber security solution. Encrypt your connection, access our secure proxy servers & unblock websites easily.
DotVPN - better than VPN
Unblock websites and apps at school, work, home, or anywhere in the world. Stay private online and protect yourself on public Wi-Fi.
Proxy Free VPN DEEPRISM
Unlimited proxy | Unblock websites, change IP | DEEPRISM for Opera
AdBlocker Ultimate
Free and improved AdBlocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking and malware!
Whoer VPN
Whoer VPN for Opera - most reliable way to hide your identity while surfing through the internet.
Bitwarden - Free Password Manager
Bitwarden はあらゆる端末で使える、安全な無料パスワードマネージャーです。
Ghostery
Ghosteryは強力なプライバシー拡張機能です。広告をブロックし、トラッカーを阻止し、ウェブサイトを高速化します。
AdBlocker for YouTube™
Removes all annoying Ads and banners from YouTube.
VPN.S HTTP Proxy
Manage and switch between multiple proxies quickly & easily. Subscribe to our Proxy service, or use your own servers!
HTTPS Everywhere
ウェブを暗号化します！多くのウェブサイト上でHTTPSセキュリティを自動的にかけます。
Privacy Badger
Privacy Badger automatically learns to block invisible trackers.
Free VPN Proxy
Easily find and set free VPN proxies and, browse fast and secure!
AVG Online Security
AVG Browser Security and Web Reputation Plugin.
Popup Blocker (strict)
Strictly block all popup requests from any website
WOT
ウェブサイトの評価や安全性をユーザーの体験に基づいて確認しましょう。Web of TrustはGoogle Chrome公式の拡張機能です。
Free OpenVPN Server Finder
Display up-to-date list of public OpenVPN servers provided by VPN Gate (University of Tsukuba)
Disconnect
Make the web faster, more private, and more secure.
Dr.Web Anti-Virus Link Checker
Dr.Web antivirus extension for scanning links. Accessible from the context menu. Automatically scans links on Facebook, VK, Google+.
Allow Right-Click
Re-enable the possibility to use the context menu, copy, paste, and text selection on sites that prevent them
History Eraser
Deletes typed URLs, Cache, Cookies, your Download and Browsing History...instantly, with just 1-click on the Eraser button!
User-Agent Switcher
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
Block Site
Easily block websites of your choice!
Avira Safe Shopping
安全かつプライベートなショッピング
Hide My IP
Hide Your IP Address for Free!
Adult Blocker
Adult Blocker (Parental Control) blocks access to porn sites (adult content, pornography).