Hash Calculator

Cryptographic Hash & Checksum Calculator

Compute SHA-256, SHA-512, MD5, and SHA-1 hashes, verify file checksums, and generate HMACs

Input String / Plaintext 0 chars | 0 bytes

SHA-256 256-bit • 64 hex chars (Industry Standard)

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

MD5 128-bit • 32 hex chars (File Checksums)

d41d8cd98f00b204e9800998ecf8427e

SHA-512 512-bit • 128 hex chars (High Security)

cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

SHA-1 160-bit • 40 hex chars (Git / Legacy)

da39a3ee5e6b4b0d3255bfef95601890afd80709

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Verify Checksum (Optional Matcher)

SHA-256 Checksum

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MD5 Checksum

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SHA-1 Checksum

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Secret Key

HMAC Algorithm

Message / Payload

Hex Signature Hex-encoded digest

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Base64 Signature Header & token format

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