Calculate CRC-32B checksums online

Create your hashes online

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.

CRC-32B converter
  1. Choose from Google Drive
  2. (by clicking you confirm that you understand and agree to our terms)
  3. Your file is currently uploading. Uploading
    Progress: 

    Total file size: - MB
    Upload rate: - KB/s
    Time left: --:--:--

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

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