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Free Privacy & Security Chrome Extensions

A password vault, a TOTP authenticator, a message encryptor and a cookie manager for people who want more control over what their browser keeps.

4 extensions · all free · official Chrome Web Store links

All privacy & security extensions

  • Message Encryptor

    Privacy & Security

    Securely encrypt and decrypt messages and files using AES-GCM encryption. Fast, private, and fully offline tool with strong security, designed to protect sensitive data directly in your browser.

    Free4.7 out of 5, editor score
  • Password Vault Pro

    Privacy & Security

    Store all your passwords in an encrypted vault with auto-fill and a built-in generator. Never forget or reuse weak passwords again — your credentials stay safe and accessible.

    Free5.0 out of 5, editor score
  • Smart Cookie Manager

    Privacy & Security

    Take full control of browser cookies and trackers to protect your online privacy. View a real-time privacy score and block unwanted tracking across all websites you visit.

    Free4.7 out of 5, editor score
  • TOTP Authenticator Pro

    Privacy & Security

    Generate secure time-based two-factor authentication codes directly in your browser. Scan QR codes to add accounts, create encrypted backups, and protect all your logins reliably.

    Free4.5 out of 5, editor score

No install needed? Try these free web tools

Browser-based AltFTool tools that do a similar job in a tab.

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Questions about these extensions

What are the best free privacy & security Chrome extensions?

AltFTool publishes 4 free privacy & security extensions, including Message Encryptor, Password Vault Pro, Smart Cookie Manager. Each has its own page with features, permissions guidance and a Chrome Web Store link.

Are these privacy extensions free?

Yes. Every extension in this category is free to install and does not need an AltFTool account.

Do they work in Edge and Brave?

They are built for Chrome. Chromium-based browsers such as Microsoft Edge, Brave and Opera can usually install Chrome Web Store extensions as well.

Looking for something else?

Browse every AltFTool extension, or search by what you need.