CRC-16 / CRC-32 Calculator

Compute CRC-16-CCITT and CRC-32 (IEEE 802.3) checksums.

Text

Output

Input: 0 bytes (UTF-8)
CRC-16-CCITT (poly 0x1021, init 0xFFFF): 0xFFFF  (65535)
CRC-32 IEEE 802.3 (poly 0xEDB88320): 0x00000000  (0)

About this tool

Compute CRC-16-CCITT and CRC-32 (IEEE 802.3) checksums.