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Validate RFC (Mexico) online

Paste an RFC (12 characters for companies, 13 for individuals) and instantly check whether its structure and check digit are correct.

Lokale Verarbeitung

LOKALE VERARBEITUNG

Alles passiert in deinem Browser

Datei und Text verlassen dein Gerät nicht.

What you can do with Validate RFC (Mexico)

Verify structure, date and check digit of an RFC. 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 validates the format (letters, date and homoclave) and recomputes the SAT’s official check digit. It is not a SAT lookup: it checks that the RFC is well formed, not that it exists. 100% local processing.

HÄUFIG GESTELLTE FRAGEN

What result does Validate RFC (Mexico) provide?

Verify structure, date and check digit of an RFC. It validates the format (letters, date and homoclave) and recomputes the SAT’s official check digit. It is not a SAT lookup: it checks that the RFC is well formed, not that it exists. 100% local processing.

Where is the information for Validate RFC (Mexico) processed?

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

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Validate CURP (Mexico)Verify the 18 characters and check digit of a CURP.Validate DNI (Peru)Check the 8-digit format of a Peruvian DNI.Validate DNI, NIF and NIE (Spain)Check the control letter of a Spanish DNI, NIF or NIE.