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License Plate Generator

Generate vehicle plates in old and Mercosul formats for testing.

For software testing only. The data generated here is random and does not belong to any real person or company. Using it for fraud or in bad faith is a crime.

How to use

  1. Choose between the old three-letter format (ABC-1234) and the Mercosul format (ABC1D23).
  2. Click Generate to produce a random plate that follows the selected format rules.
  3. Copy the plate for use in software testing, mockups or educational materials.

About this tool

Brazilian vehicle plates follow two formats: the legacy three-letter pattern (ABC-1234, used until 2018) and the Mercosul pattern (ABC1D23, being rolled out since 2018). This tool generates random plates in either format.

The generated plates are random combinations that follow the positional rules (letters, digits and the Mercosul letter-in-position-5). They are not linked to any registered vehicle.

Common uses: populating test databases, designing mockups that need realistic plate numbers, and testing OCR or ANPR (automatic number plate recognition) systems.

Frequently asked questions

Does my data leave my browser?

No. Everything runs locally in JavaScript on your device — nothing is transmitted or stored.

Can I use the result commercially?

Yes. The output is generated locally in your browser and is yours to use however you like — commercially or otherwise.

Can I use what this tool generates?

Yes. Everything is generated locally in your browser. You can copy, download and use the output however you like.

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