Hash Properties Calculator
Compare cryptographic hash function properties. See output size, collision resistance, brute force time, and security status for MD5, SHA-1, SHA-256, SHA-512, and bcrypt.
Inputs
chars
Results
Output Size
256 bits
Hex Characters64
Collision Resistance2^128 operations
Brute Force TimeLonger than the age of the universe
Security StatusRecommended
How to Use This Calculator
- Select the Hash Algorithm from the dropdown (SHA-256 or SHA-512 for general use, bcrypt for passwords).
- Review the Output Size in bits and Hex Characters to understand the hash length you will store.
- Check the Collision Resistance field — larger values mean stronger resistance to hash collisions.
- Read the Brute Force Time estimate to understand how long an exhaustive attack would take at 10 billion hashes/sec.
- Use the Security Status to confirm whether the algorithm is Recommended, Deprecated, or Broken before deployment.
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