NIE/NIF Validator
Validate Spanish NIE (Número de Identidad de Extranjero) and NIF (Número de Identificación Fiscal) numbers. Check format and control digit.
How to Validate Spanish NIE/NIF
- 1 Enter the NIE or NIF number in the input field
- 2 Click Validate to check the number
- 3 View the validation result (valid or invalid)
- 4 Check the identified type (NIE, NIF, or CIF)
- 5 Use example numbers for testing
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1