Bcrypt Hash Generator & Verifier
Generate bcrypt password hashes with configurable cost factor (4-14). Verify any password against an existing bcrypt hash. passwords never sent anywhere.
What powers the Bcrypt Hash Generator
Generate bcrypt hash with cost 4-14
Verify password against existing hash
Powered by bcryptjs (pure JS, works in browser)
passwords never leave your device
Fresh salt per hash (re-clicking generates different output)
Why the Bcrypt Hash Generator is different
Browser-native
The Bcrypt Hash Generator runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- Backend auth development — generating test password hashes
- Verifying a user-reported password matches a database hash for debugging
- Quick check of hash format / cost factor
- Teaching / learning about password hashing
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.