拡張機能
Download Virus Checker
Automatically check all the download files against well-known anti-viruses using VirusTotal API
Browse with Onion
Easily browse desired websites with tor (onion) proxy!
Content filter
Blocks access to unwanted websites on the Internet for homes, educational institutions and libraries.
Block Image|Video
Easily block all images & videos within a website!
User-Agent Switch for Opera
Switch between popular useragent strings from toolbar popup!
KANOPE
Switch between no proxy and Tor , blocks some common attacks and trackers and more !
PasswordBox - Free Password Vault
Opera 用無料パスワード管理アプリ – もう二度とパスワードを忘れることはありません
SingleClick Cleaner
Clean up the trash in one single click
CryptoStop
This extension blocks cryptocurrency mining scripts and protects you from such websites.
Eraser
Erases annoying elements.
Twitter Redirect Fixer
Twitter adds redirection to all shared links to learn what links you click. This extension removes redirection (Twitter + 3rd-party) to protect your privacy. As a side-effect, all links will load faster.
STOP-IT V2
STOP-IT V2 Ultimate Adult Content Blocker Extension. Safe and Easy Surfing.
Security Plus
Provides free checking of urls for viruses. It uses up to 64 different antivirus products and scan engines to check for viruses
Security Tweaks
Improve your security and browse safer with seven tweaks.
Policy Control
Gain complete control over all content settings (cookie, images, javascript, etc.).
Adblocker for Facebook™ (sponsored posts)
A super fast sponsored posts removal tool for Facebook™
Self-Destructing Cookies
Delete cookies when browser is closed or once the tab is closed to prevent tracking
NoLeaks
Audit potential privacy leaks on websites
WebAPI Blocker
Easily block (nullify) undesired Web API(s) and improve your privacy.
Show Password
Show passwords as you type.
Policy Control - JavaScript and Flash blocker
Block third-party or all resources of style, script, image, font, xmlhttprequest types
Local CDN
Local emulation of Content Delivery Networks
NERBlock
This add-on blocks websites spreading the propaganda of the "Nemzeti Együttműködés Rendszere" (N.E.R.).
Decryption RSA
Decryption of encrypted data on RSA key
Disable Page Visibility API
Prevent websites from tracking whether you are currently in another tab/ window.
Lasource Helper
Lasource Helper
PreferSafe
Announce your preference to see nothing but vanilla content
Flash Blocker Strict
Strictly block all Flash contents from loading (supports whitelisting)
MD5 Lock - Password Securer
Secure your passwords.
Filter request headers
Block certain values (cookies, etc.) from http request headers.
Google™ Hangout Seen Blocker
Google™ Hangouts Seen Blocker allows you to read your hangouts without notifying the sender.
GenPass - Умный генератор паролей
GenPass - Smart password generator lets you to create a strong easy remembered password of high cracking resistance.