Calculate CRC-32B checksums online

CRC32B Converter

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Optional Settings

Shared secret key used for the HMAC variant (optional):

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Create a CRC-32B checksum online from your password or data. You can also upload a file to build the CRC32B hash and verify your data later with the checksum. You can find here another tool to create CRC-32 checksums online.

The CRC32B algorithm is basically used of zip and png, compared to the CRC32 online calculator.

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