Secure, Offline, Local Password Manager
OneCritto protects your passwords, files and private notes using strong modern encryption. Completely offline and no cloud sync. Your master password and vault contents stay on your device.
Free and open source. No license, no subscription, no account required.
Designed for security. Built for performance.
OneCritto protects your most sensitive information with modern encryption and a focused desktop experience. Everything runs locally on your device.
AES-256-GCM + Argon2id
Every record encrypted with unique IV and salt. Master key derived via Argon2id. Authenticated encryption with HMAC-SHA256 integrity.
One Vault, Everything Protected
Passwords, files, notes and SSH connections in a single portable .onecritto file. Copy it, back it up, carry it anywhere.
Sentinel — Vault Health
Scores every password 0–100, flags weak, common and duplicate credentials, and builds a prioritised rotation plan.
Breach Control
Checks passwords against Have I Been Pwned via k-anonymity. Your passwords never leave the device.
Password Coach
Per-entry tips sorted by severity (Critical / Warning / Info / OK): common passwords, leet-speak, duplicates, keyboard patterns, crack-time estimate and age monitoring.
Password Generator
Strong (8–40 chars, configurable sets) or Mnemonic (syllable-based). Same Sentinel scoring engine for consistent ratings.
100 % Offline, Zero Cloud
No sync, no telemetry. Clipboard auto-cleared after 20 s, session locks after 3 min.
SSH Connection Manager
Store encrypted SSH keys, configure connections and launch sessions with one click. Keys are securely wiped on exit.
CSV Import
Import from 10 managers (Chrome, Firefox, Bitwarden, KeePass, LastPass, 1Password, Dashlane, NordPass, Proton Pass, Safari) with smart field mapping.
Secure Temp Cleanup
One-click wipe of decrypted temp files. Every file is overwritten with random data before deletion (secure wipe).
Compatibility
Windows 11 and Linux. 64-bit CPU, 8 GB RAM, 200 MB free storage.
Free and open source.
OneCritto is completely free and open source. Every download is the full edition.
If you find OneCritto useful, you can support the project with an optional donation via PayPal.