Keccak-224 File Hash Calculator

Compute the Keccak-224 checksum of any file in your browser. Original pre-NIST Keccak, 224-bit output. No upload, complete privacy.

File Input
File
Drag and drop a file here, or click to select. Processed locally — never uploaded.
Output
Settings

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Frequently Asked Questions

How do I verify a Keccak-224 file checksum?
Drop your file into the input zone. The Keccak-224 hash is computed and displayed as a 56-character hex string.
Is my file sent to any server?
No. Everything is processed locally in your browser. Nothing is transmitted anywhere.

About Keccak-224 File Hash Calculator

Compute the original Keccak-224 checksum of any file in your browser. Keccak-224 uses the pre-NIST Keccak sponge with 0x01 padding, producing a 56-character hex digest. All processing is local.