Protocol scope and method
CRC parameters are part of the algorithm name. Do not compare a CRC result with JT/T 808 XOR BCC.
MODBUS: poly 0xA001, init 0xffff; CCITT-FALSE: poly 0x1021, init 0xffff.
Common questions
Does the CRC-16 Calculator leave my browser?
No application upload is used. Avoid putting sensitive production data in shareable URLs.
Is this a standards compliance test?
No. Confirm the edition and vendor profile with licensed documents and your target platform.
Offline diagnostic aid. Verify fields, version and vendor extensions before production use.