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CookieViz extension
CookieViz analyzes the interactions between your web browser and the remote servers and websites.
What is My IP Address
View your public ip address via toolbar popup.
Whitelist Manager
Automatically blocks all pages from any website that is not in your list of allowed websites.
PasswordBox - Free Password Vault
Opera上完全免費的密碼管理工具 ﹣ 從此以後再不會忘記您的密碼
MD5 Lock - Password Securer
Secure your passwords.
NoRef
Removes HTTP referer header
Mooltipass Extension
Retrieve and store Mooltipass credentials easily from websites
What is My IP Address
View your public ip address via toolbar popup.
Premiumize.me
Premiumize.me extension for Opera
Show my Password
a basic add-on to show all your passwords in web pages
Link Revealer
See the true URL for all links and improve your security!
Web Security Audit
Identifies common vulnerabilities in websites as you browse the web.
GenPass - Умный генератор паролей
GenPass - Smart password generator lets you to create a strong easy remembered password of high cracking resistance.
IDN Safe
IDN Safe is a browser extension which blocks internationalized domain names to prevent you from visiting probable fake sites.
Encryption
Encryption of personal correspondence in social networks.
Bump
Hide your real email and control who can send you messages. Generate new emails with one click is pretty easy.
WorkspaceCrypto
Workspace Crypto Extension
Cookie Pirate
Keep cookies from leaving your browser.
Insight™
Provides website information such as Rank, and checks URLs against suspected pages.
ProSe - Privacy Policy Analyzer
Pro Se reads and analyses privacy policies on your behalf. It empowers you to make informed decisions about your privacy rights.
PfP: Pain-free Passwords
A simple and secure password manager to be used with KeePass databases.
MetaCert: Internet Security (Website Identity)
Internet security for teams, remote workers and families.
Local pass store
A password manager with local storage, a bit like old WAND.
Cockatoo
Secure password aggregator.
Vodkaď si?
File Guard (Encryptor | Decryptor)
Encrypt or decrypt any file with just one click inside your browser!
Passky
Simple, modern, open source and secure password manager.
PfP: Pain-free Passwords (legacy)
Use a single master password to generate secure passwords for all websites - without losing track of passwords you cannot change.