RENAVAM Generator

Try our RENAVAM generator! You can create various valid numbers and customize your experience using the automatic rotation to generate new RENAVAM based on the selected time.

Also, be sure to check out our RENAVAM validator which ensures the authenticity of the generated numbers. It’s quick and easy!

Understanding RENAVAM and the Generator Algorithm

What is RENAVAM?

The Registro Nacional de Veículos Automotores (RENAVAM) is the unique identification number for each vehicle registered in Brazil, issued by Detran. It has 11 digits in the current standard. With this number, you can look up vehicle information such as license plate, IPVA debts, fines, licensing, restrictions, and transfer history. It is essential for vehicle purchase and sale transactions.

How does the generation algorithm work?

The 11-digit RENAVAM consists of 10 base digits and 1 check digit. The calculation uses weights 3, 2, 9, 8, 7, 6, 5, 4, 3, and 2 applied right to left over the 10 digits. The sum of products is obtained, and the check digit is calculated as 11 minus the remainder of division by 11. Results of 0 or 10 yield verifier 0, result 11 returns 1.

Why use fictional RENavAMs in development?

Auto insurance systems, vehicle auction platforms, buy-and-sell apps, debt inquiry applications, and Detran integrations need RENAVAM as an essential data field. Testing these applications requires valid numbers that pass format checks, and using real vehicle RENavAMs of third parties would be a privacy violation. Numbers generated by Help4Dev are completely fictitious and safe for testing.