Calculate a SHA hash with 256 bits

Create your hashes online

Generate a SHA-256 hash with this free online encryption tool. To create a SHA-256 checksum of your file, use the upload feature. To further enhance the security of you encrypted hash you can use a shared key.

sha256 converter

SHA-256 converter
  1. Choose from Google Drive
Optional settings
  • Shared secret key used for the HMAC variant (optional):
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To get further information of the SHA-256 algorithm, you can visit FIPS 180-2: Secure Hash Standard (SHS)

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The input string encoding is expected to be in UTF-8. Different encoding will result in different hash values. Unicode is considered best practices.