SHA-256 Hash Generator

Free SHA-256 hash generator — no sign-up. Create SHA-256 cryptographic hashes. 100% client-side, secure hash generation in your browser.

📁 Drop file here

🔣 Algorithm

📋 Output Format

🔑 Use HMAC (keyed hash)

🔑 HMAC Secret Key

🔠 Uppercase output

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Hash Output SHA-256 Hashing...

Hash will appear here...

Free SHA-256 hash generator — no sign-up. Create SHA-256 cryptographic hashes. 100% client-side, secure hash generation in your browser.

SHA-256: 256-bit hash value (64 hex characters)

What is SHA-256? +

SHA-256 is a cryptographic hash function producing a 256-bit (64 hex character) hash.