A secure password manager using military-grade encryption.
Users
3
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#287K
#236K among extensions
Version
2.1.0
updated 1 Apr 2026
Users
monthly, 7 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 15 Oct 2026:3 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Quantum Vault
Quantum Vault is an offline-first password manager for Chrome built for speed, privacy, and control.
Save and autofill logins in seconds:
- One-click save prompt after sign-in
- Fast autofill on login pages
- Multi-account support: choose the exact username you want for the same website
- Built-in strong password generator
- Built-in TOTP/2FA support with quick copy
- Secure notes for sensitive information
Security-first by design:
- Local encrypted vault on your device
- No cloud vault required by default
- Domain-aware autofill protections to reduce phishing risk
- Encrypted backup and restore with JSON backup files
Designed for people who want a clean, reliable password workflow without complexity.
Install Quantum Vault to save time on every login while keeping your credentials under your control.