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CRC32 Hash Calculator

A free online tool that can calculate crc32 checksum value for a given string
Enter value
Output
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Frequently Asked Questions

What is CRC, and how does it work?

A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents.

How is a CRC32 checksum calculated?