CRC64-ECMA

CRC64 detects accidental errors; not a cryptographic hash.
Variant: ECMA-182. Poly 0x42F0E1EBA9EA3693, init 0, no final XOR.

About CRC64

CRC64 is a 64-bit checksum used to detect accidental errors in data. This page computes the ECMA variant. It is not a cryptographic hash.

CRC64-ECMA checksum online — free, no upload (FAQs)

FAQs

Is CRC64 secure?
No. CRCs detect accidental errors, not deliberate tampering.
Which variant is used?
ECMA-182 (poly 0x42F0E1EBA9EA3693), init 0, no xorout.
Does this upload my data?
No. All computation runs in your browser.

CRC64 checksum FAQs

FAQs

Which variant?
CRC64 has multiple variants (ECMA, ISO); ensure both sides use same parameters.