Security · runs in your browser
Password Strength Meter
Estimated entropy, crack-time and a security checklist — checked entirely on your device.
- Supported formats
- Text
- Max file size
- Max No limit
- Speed
- Real-time
- Free
- Free, no sign-up
Type or paste a password above to see its strength, entropy and crack-time estimate.
Private by design. This tool runs entirely inside your browser — your files are never uploaded, stored or seen by anyone, including us.