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bcrypt Hash Generator

Hash passwords with bcrypt using configurable cost factor. Generate secure password hashes entirely in your browser using bcryptjs.

4 (fast)15 (secure)

Frequently Asked Questions

What is bcrypt?
bcrypt is a password hashing function designed by Niels Provos and David Mazières. It incorporates a salt to protect against rainbow table attacks and is deliberately slow to resist brute-force attacks.
What is the cost factor?
The cost factor (work factor) determines how many iterations of the hashing algorithm are performed. Each increment doubles the computation time. A higher cost is more secure but slower.
Is this secure for production?
This tool is for testing and development. For production, use a server-side bcrypt implementation. The hash never leaves your browser.

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How to Use

  1. 1 Enter the password you want to hash.
  2. 2 Adjust the cost factor (work factor) - higher is more secure but slower.
  3. 3 Click **Hash** to generate the bcrypt hash entirely in your browser.
  4. 4 Copy the hash for use in your authentication system.