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Compute CRC-32 from a file

Compute CRC-32 from a file. Pick a file on your computer and the CRC-32 value will immediately be calculated. You may customize the polynomial if needed, giving either its normal or reversed representation.

Polynomial (hexadecimal, normal representation, eg: 04C11DB7) Reset to default
(hexadecimal, reversed representation, eg: EDB88320)
Data File
Result (decimal)