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.
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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.
No. Bcrypt is a one-way hashing function designed to be mathematically irreversible. To verify a password, you must hash the candidate password with the same salt and compare the resulting hashes.
Salt rounds determine the cost factor of the hashing algorithm. Increasing the rounds exponentially increases the computational time required to compute the hash, making brute-force attacks extremely difficult.
MD5 and SHA256 are fast cryptographic hashes. Bcrypt is deliberately slow and includes an adaptive work factor (salt rounds) to slow down hardware-accelerated brute-force attacks.
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Create Free AccountInstantly decode, verify, and format JSON Web Tokens (JWT). Inspect header, payload claims, and signatures securely.
Instantly generate cryptographically secure UUIDs. Supports versions 1, 3, 4, 5 and bulk generation.
Generate cryptographically secure passwords or memorable Diceware passphrases natively in your browser.