拡張機能
Flash Blocker Strict
Strictly block all Flash contents from loading (supports whitelisting)
History Cleaner for Opera
immediately deletes the history of the Opera browser as it launches. You can also plan to periodically delete your Opera history.
NoRef
Removes HTTP referer header
Zoom Redirector
Zoom Redirector transparently redirects any meeting links to use Zoom's browser based web client.
WebAPI Blocker
Easily block (nullify) undesired Web API(s) and improve your privacy.
Security Tweaks
Improve your security and browse safer with seven tweaks.
Passky
Simple, modern, open source and secure password manager.
Policy Control - JavaScript and Flash blocker
Block third-party or all resources of style, script, image, font, xmlhttprequest types
CryptoStop
This extension blocks cryptocurrency mining scripts and protects you from such websites.
Filter request headers
Block certain values (cookies, etc.) from http request headers.
What is My IP Address
View your public ip address via toolbar popup.
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
Авто Вход для ДО Мирэа
Автоматический вход на платформу ДО Мирэа
Minimal Consent
Minimal Consent automatically ensures that only functional cookies are dropped and thereby blocks annoying cookie banners.
KANOPE
Switch between no proxy and Tor , blocks some common attacks and trackers and more !
Passwords Cleaner (Eraser)
Quickly delete/wipe your browser stored passwords for a defined period with one click
Password Generator
The K+ Password Generator to go!
Vodkaď si?
Google™ Hangout Seen Blocker
Google™ Hangouts Seen Blocker allows you to read your hangouts without notifying the sender.
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.
G URL Shortener
Easily shorten desired urls via Rebrandly API.
NoLeaks
Audit potential privacy leaks on websites
Local pass store
A password manager with local storage, a bit like old WAND.
PasswordMaker Pro
Flexible password generator using a cryptographic hash algorithm of your choice - Fully Compatible with PasswordMaker.org
signTextLSF
This extension emulates Netscape's crypto.signText() using LSF.
VanishModeViewer
View dissapearing messages on PC.
UntrackMe
Removes the part of the URLs that is used to track you on the web
Policy Control
Gain complete control over all content settings (cookie, images, javascript, etc.).
MetaCert: Internet Security (Website Identity)
Internet security for teams, remote workers and families.
History Limiter Custom Refresh
Limits the number of items the browser will keep in history by days. Cosmetic refresh of iron2000's work. Broom icon by Roundicons.
CookieViz extension
CookieViz analyzes the interactions between your web browser and the remote servers and websites.
My Own Passphrase
The easiest passphrase generator for your cybersecurity needings.