YoSin Tools

Keccak-512 File Hash Calculator

Compute the Keccak-512 checksum of any file in your browser. Original pre-NIST Keccak, 512-bit (128 hex character) output. No upload, complete privacy.

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

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Frequently Asked Questions

How do I verify a Keccak-512 file checksum?
Drop your file into the input zone. The Keccak-512 hash is computed and displayed as a 128-character hex string.
Is my file sent to any server?
No. Everything is processed locally in your browser.

About Keccak-512 File Hash Calculator

Compute the original Keccak-512 checksum of any file in your browser. Produces a 128-character hex digest using the pre-NIST Keccak sponge with 0x01 padding and 1024-bit capacity. All processing is local.