Suleman Hussain
ENES
FREEPROCESSED LOCALLY

Your data stays in your browser.

DNI / NIE validator

Check DNI and NIE checksum letters locally using the official modulo-23 alphabet. Nothing is uploaded.

How to use

  1. Paste DNI or NIE.
  2. See validity or expected letter.
  3. Fix typos before forms.

What the tool does

Implements the standard letter algorithm.

What the tool does not do

Does not verify identity with government databases.

Tips

  • NIE starts with X, Y, or Z.
  • Works offline after page load.

FAQ

Is my ID sent anywhere?
No — validation is 100% local.
Can it invent a valid ID?
It only checks/format-completes letters; it cannot create legal IDs.

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