SHA512/224 File Hash
Calculate a SHA-512/224 file hash or HMAC from a local file or URL. Local files are processed in your browser. Read more
What is SHA512/224?
SHA-512/224 is the 224-bit SHA-512-family hash defined in NIST FIPS 180-4. Its distinct initialization value means it is not equivalent to truncating SHA-512 or using SHA-224. This calculator hashes raw file bytes and optionally computes HMAC-SHA-512/224.
How to use this file hash calculator
Choose a local file or URL and output encoding. Leave HMAC disabled for a published checksum, or enable it when both parties possess a secret key. Local file bytes and keys stay in the browser; remote URLs require CORS.
Result example
A file containing exactly abc produces 4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa in Hex with HMAC disabled. Filename and metadata do not affect it.
Important limitations
A plain digest can detect changed bytes but cannot authenticate the publisher. HMAC authentication requires a strong secret key. Neither mode hides file contents.
Frequently asked questions
Why does my result differ from another tool?
Confirm identical raw bytes and the exact SHA-512/224 mode. For HMAC, key bytes and encoding must also match.
Can I use the result to verify a download?
Yes, if a trusted source explicitly supplies SHA-512/224. For text, use the SHA-512/224 calculator.
