RENAVAM Validator
Validate Brazilian RENAVAM vehicle registration numbers using the official DENATRAN algorithm. No data sent to servers.
How does RENAVAM validation work?
RENAVAM has 11 digits. The check digit (last) is calculated from the first 10 using the weights [3,2,9,8,7,6,5,4,3,2] with modulo 11. If the remainder is less than 2, the digit is 0; otherwise, it is 11 minus the remainder.
The check runs entirely in your browser.
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