Bcrypt Hash Generator & Verifier: Test Password Hashes Online
Bcrypt is a cryptographically secure one-way hashing function designed to protect passwords. Generate new hashes or verify passwords locally without cracking.
Bcrypt Hash Generator & Verification
Cost Factor (Salt Rounds):
How to Use Bcrypt Hash Generator & Verifier
- Enter your plaintext password and existing bcrypt hash to verify, or click "Generate Bcrypt Hash" to create a new salted hash.
- View the verification result (Match or No Match) computed completely in your browser.
- Review the security badges and disclaimer notices below.
Practical Examples
Verifying Bcrypt Hash
Verifies cryptographic salt and hash parity.
Input:
Password + $2a$10$...
Output:
Password MATCHES hash
Common Mistakes & Troubleshooting
- Attempting to "decrypt" bcrypt: Bcrypt is a one-way hashing algorithm with unique cryptographic salts. It cannot be mathematically reversed or decrypted.
Frequently Asked Questions
Can a bcrypt hash be decoded or reversed?
NO. Bcrypt is a cryptographic one-way hashing function designed to resist reversal. You can only verify whether a given plaintext password produces the same hash when hashed with the embedded salt.