Input
The checksum is calculated from the exact characters you enter, including spaces and line breaks.
Use the secondary input to switch between CRC-32 and CRC-16/IBM.
Hash Tools / Integrity
CRC Checker
Inspect CRC-style integrity checks in a clean browser workspace inspired by emn178 online tools.
Static reference
Browser only
Integrity check
Output
Input length
0
Selected mode
crc32
Checksum width
8
Check status
Ready
Ready.