CRC stands for cyclic redudancy check. CRC is used for detection of accidental changes to raw data in digital networks and storage devices. CRC was invented by Wesley Pterson in 1961. There are numerous varieties of CRC and CRC32 is one of them. CRC32 is used in GZip, PNG, Ethernet etc. This online CRC32 checksum calculator will help you in generating CRC32 of a string. You can also check out our CRC32B Checksum Calculator.