Calculate CRC-32B checksums online

crc32b converter

1. Upload and generate a CRC32B checksum of a file:
   

CRC-32B converter

1. Or enter the text you want to convert to a CRC-32B hash:
2. Or enter URL of the file where you want to create a CRC32B hash:
3. Or select a file from your cloud storage for a CRC32B conversion:
   Choose from Google Drive

Optional settings

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

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

The input string encoding is expected to be in UTF-8. Different encoding will result in different hash values. Unicode is considered best practices.