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Validate DNI, NIF and NIE (Spain) online

Paste a DNI (8 digits + letter) or a NIE (X/Y/Z + 7 digits + letter) and check whether the control letter is correct.

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What you can do with Validate DNI, NIF and NIE (Spain)

Check the control letter of a Spanish DNI, NIF or NIE. Use the tool controls to adjust the operation and review the result before copying or downloading it.

How it works and what to consider

It computes the control letter with the official mod-23 algorithm. It checks that the number is well formed; it does not query any registry. Everything happens in your browser.

HÄUFIG GESTELLTE FRAGEN

What result does Validate DNI, NIF and NIE (Spain) provide?

Check the control letter of a Spanish DNI, NIF or NIE. It computes the control letter with the official mod-23 algorithm. It checks that the number is well formed; it does not query any registry. Everything happens in your browser.

Where is the information for Validate DNI, NIF and NIE (Spain) processed?

The operation runs locally in your browser. PriviTools does not receive the tool input, file or result.