Calculate CRC32 checksum

Calculate the CRC32 checksum of a file or text online.

This tool allows you to calculate the CRC, or CRC32 value of any file or piece of data you desire. While CRC is not temper-proof, meaning that anyone can easily create new values having the same CRC as an existing value, CRC is a solid option for verifying the integrity of data where tempering of the data by a third-party is not an issue. It is usually the case that CRCs are compared before and after the transport of data, and the two CRC values (before and after transport) are compared to ensure that no data was lost or corrupted in transport.

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