Bcrypt Password Hashing Tool Online
Securely generate and verify Bcrypt password hashes with custom cost factors.
Generate Hash
Create a secure bcrypt password hash.
Verify Hash
Check if a password matches a bcrypt hash.
Hashing Algorithms Comparison
Why Bcrypt hashing should stay client-side
Generate and verify Bcrypt hashes locally to keep passwords and salt values private.
Adaptive password hashing
Bcrypt intentionally slows hashing to resist brute-force attacks.
Custom cost factors
Experiment with different work factors locally before applying them to production.
Zero-knowledge hashing
Your raw password stays in the browser; only the resulting hash is generated.
Built-in verification
Verify hashes privately without exposing passwords to any service.
What is a Bcrypt Hash Generator?
Bcrypt is a password-hashing function based on the Blowfish cipher, specifically designed to be slow and computationally expensive to protect against brute-force and hardware-accelerated attacks. Our Bcrypt hash generator online allows you to create secure, salted password hashes with adjustable cost factors. Unlike standard algorithms like MD5, Bcrypt includes a random salt automatically, which prevents "rainbow table" attacks. It is the gold standard for secure password storage in modern databases and is trusted by millions of developers worldwide.
When should you use Bcrypt?
You should use Bcrypt whenever you are implementing a user authentication system and need to store passwords securely. It is also used by security auditors to verify that a system's hashing implementation is working as expected. When using this tool, we recommend a cost factor of at least 10 to balance security and performance. Because password security is the ultimate priority, Cipherly performs all Bcrypt operations client-side. This ensures your raw passwords never leave your browser, adhering to our zero-knowledge architecture and providing a completely private hashing experience.
If you need a one-way checksum without adaptive hashing, try our hash generator. For secure data workflows, Bcrypt is best used for password storage while AES and RSA tools handle encryption of actual messages.