Curated list · 5 picks
Best privacy & security Chrome extensions
Extensions for keeping secrets secret. Always review the permissions an extension asks for on its store listing before you install it.
Latest change to a listed extension: Apr 24, 2026
- 1
Password Vault Pro
Store passwords in an encrypted vault.
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.
- 2
TOTP Authenticator Pro
Generate two-factor codes from the toolbar.
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.
- 3
Message Encryptor
Encrypt a message before you paste it anywhere.
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.
- 4
Smart Cookie Manager
View and clear cookies site by site.
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.
- 5
Local PDF Toolkit
Merge, split and secure PDFs without uploading them.
Merge, split, and secure PDF files entirely on your device with zero cloud uploads. Your documents stay private and safe since all processing happens locally in your browser.
About this list
What is the best privacy Chrome extension?
Our top pick is Password Vault Pro: Store passwords in an encrypted vault. The rest of the list is ranked by how often our editors reach for each one.
How was this list chosen?
AltFTool editors picked and ordered these from the extensions we publish, based on what each one does and how polished it is. It is not based on paid placement or user review counts.
Are the extensions on this list free?
Yes. Every extension here is free to install from the Chrome Web Store and needs no AltFTool account.
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