Free Cryptographic Hash Generator — MD5, SHA-256, SHA-512
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About This Tool
The Cryptographic Hash Generator computes multiple hash types — MD5, SHA-1, SHA-256, and SHA-512 — from any input text using the Web Crypto API. All hashing is done client-side, so your input never leaves your browser. Useful for integrity checks, API signatures, and learning about hash functions. Free, no account needed.
How to Use
- 1
Paste or type the text you want to hash into the input field.
- 2
All four hash values compute simultaneously and appear below.
- 3
Copy any hash value with one click for use in your application.
Frequently Asked Questions
What is the difference between MD5 and SHA-256?
MD5 produces a 128-bit hash and is considered cryptographically broken. SHA-256 produces a 256-bit hash and is secure for most modern use cases.
Can I use SHA-256 for password storage?
No. SHA-256 is too fast for password hashing and is vulnerable to GPU brute-force attacks. Use bcrypt, scrypt, or Argon2 for passwords.
Is this hash generator free?
Yes. Completely free with no account required.