Bcrypt Password Hash Generator
Generate and benchmark salted $2b$ Bcrypt password hashes with custom cost factors in-browser.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use Bcrypt Password Hash Generator
Type or generate the plaintext password to hash.
Adjust the work factor slider (rounds 4 to 14).
Click generate to create the salted $2b$ Bcrypt hash string.
Frequently Asked Questions
Is it safe to generate password hashes here?
Yes, hashing executes 100% in local client-side memory using Web Crypto APIs. No plaintext passwords or hashes are ever transmitted.
What is the recommended Bcrypt cost factor?
A cost factor of 10 or 12 is recommended for modern web applications to protect against offline GPU dictionary attacks.
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