Is the Bcrypt Hash Generator free?

Yes, it's completely free. No registration, no login required. All features run locally in your browser — passwords are never uploaded.

Are my passwords uploaded to a server?

Absolutely not. This tool uses bcryptjs for pure client-side hashing. All computation happens in your browser. You can verify by disconnecting from the internet — the tool still works. Your passwords never leave your device.

What are salt rounds and how many should I use?

Salt rounds determine the computational cost of Bcrypt hashing. Each additional round doubles the computation time. Recommended: 4-6 for dev/testing (fast), 10-12 for production (OWASP minimum), 14-16 for high security (noticeably slower). Higher rounds mean stronger protection against brute-force attacks.

Can I use the generated hashes in production systems?

Yes. This tool generates standard $2a$ format Bcrypt hashes fully compatible with Node.js (bcrypt), Python (bcrypt), PHP (password_hash), Java (Spring Security), Go (crypto/bcrypt), and Ruby (bcrypt gem). You can safely store the generated hashes directly in your database.

Bcrypt Hash Generator - Free Online Password Hashing | Salt Rounds

📘 How to Use

Generate Hash: Enter password → Set salt rounds → Click generate. Outputs standard $2a$ format Bcrypt hash, ready for database storage.

Verify Password: Enter password and existing hash → Click verify. Instantly check if the password matches the stored hash.

Bcrypt is an adaptive password hashing algorithm with built-in salting and adjustable cost factor. OWASP recommends Bcrypt or Argon2 for password storage.

This tool uses bcryptjs (pure JavaScript), fully compatible with Node.js, Python, PHP, Java, Go, and Ruby Bcrypt implementations.

❓ Frequently Asked Questions

Why Bcrypt over MD5/SHA for passwords?

Bcrypt has three key advantages: 1) Built-in salting — random salt per hash prevents rainbow table attacks; 2) Adjustable cost — increase rounds to resist hardware improvements; 3) Intentionally slow — ~0.1-0.3s per hash makes brute-force impractical. MD5/SHA are designed for speed (billions/sec on GPUs), making them unsuitable for password storage.

How many salt rounds should I use?

Dev/testing: 4-6. Production: 10-12 (OWASP minimum). High security: 14-16 (slower). Each additional round doubles computation time. Note: bcryptjs (JavaScript) is slower than native C implementations, so rounds above 14 may cause browser lag.

Can I use generated hashes with Node.js/Python/PHP?

Yes. This tool outputs standard $2a$ format Bcrypt hashes compatible with: Node.js (bcrypt/bcryptjs), Python (bcrypt), PHP (password_hash), Java (Spring Security BCryptPasswordEncoder), Go (crypto/bcrypt), Ruby (bcrypt gem). Store directly in your database.

Is my password data secure?

Absolutely. All hashing and verification happens locally in your browser using bcryptjs. Passwords never leave your device. Verify this: press F12, go to Network tab, use the tool — you'll see zero network requests.

Is this tool free?

Completely free. No registration, no limits. All features available immediately. Since it runs entirely client-side, you can even save the page for offline use.

🔐 Bcrypt Hash Generator

📝 Enter Password

✅ Verify Password