The industry standard for password hashing, decoded. Generate secure Bcrypt hashes with custom salt rounds, break down the hash structure, and verify plain text against existing hashes.
Bcrypt has been the undisputed champion of password hashing since 1999. Unlike standard fast-hashing algorithms like MD5 or SHA-256 (which are designed to be computed as quickly as possible), Bcrypt is explicitly designed to be slow.
This intentionally sluggish performance is what makes Bcrypt secure against modern GPU brute-force attacks and rainbow tables.
When you hash a password with Bcrypt, two critical things happen:
password123, their resulting hashes will look completely different in the database.2^cost. A cost factor of 10 runs 1,024 iterations. A cost of 12 runs 4,096 iterations.Our Bcrypt Hash Generator allows you to securely calculate Bcrypt hashes directly in your browser.
If you look closely at the generated hash string, you can actually decode it manually:
`$2a$10$N9qo8uLOickgx2ZMRZoMyeIjZAgcfl7p92ldGxad68LJZdL17lhWy`
Use our built-in breakdown tool to visualize these exact components dynamically.
A salt round (or 'cost factor') determines how exponentially expensive it is to compute the hash. A cost of 10 means 2^10 (1,024) iterations. Increasing this number makes the hash resistant to brute-force attacks via GPU.
Bcrypt automatically generates a random 128-bit cryptographic salt for every hash. Because the salt is randomly generated and mixed with the password before hashing, the output will always be unique, neutralizing rainbow table attacks.
This tool processes everything entirely in your browser using client-side JavaScript. No passwords or hashes are ever transmitted to our servers. However, as a strict security best-practice, you should NEVER paste production passwords into any online tool.
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