Bcrypt Hash & Verify

Hash a password with bcrypt, or check a password against an existing bcrypt hash — entirely in your browser with bcryptjs. Nothing is sent anywhere.

Hash a password

Password

Cost factor (rounds)

Bcrypt hash

Computed locally with bcryptjs. Higher cost = slower to hash (and to brute-force).

Password

Bcrypt hash

Checked locally. The hash format encodes the cost and salt, so no separate rounds field is needed.