SHA-256 Hash Generator Online

Free SHA-256 hash generator — no sign-up. Create secure cryptographic hashes instantly. 100% client-side and private.

📁 Drop file here

🔣 Algorithm

📋 Output Format

🔑 Use HMAC (keyed hash)

🔑 HMAC Secret Key

🔠 Uppercase output

No saved hashes yet — generate a hash then click Save

Hash Output SHA-256 Hashing...

Hash will appear here...

Free SHA-256 hash generator — no sign-up. Create secure cryptographic hashes instantly. 100% client-side and private.

SHA-256("Hello World") = a591a6d40bf420404a011733cfb7b190d62c65bf0bcda32b57b277d9ad9f146e

How do I generate SHA-256 hash? +

Enter your text and select SHA-256. The hash will be generated instantly.