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Security · Passwords
Bcrypt Hash
Hash passwords with bcrypt and verify a password against an existing hash — all client-side.
Bcrypt hash
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Frequently asked
A cost of 10–12 is a common production default. Higher is slower but more resistant to brute force.
No. This tool runs entirely as JavaScript in your browser — your input never leaves your device and nothing is logged.
How to use
1
In Hash mode, enter a password and cost, then generate.
2
In Verify mode, paste a password and a hash to check.
3
Copy the resulting hash.