EU VAT number format

Client

Quick VAT shape check before formal VIES lookup.

About EU VAT number format

Coarse EU VAT ID prefix and length validation. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

Plausible VAT shape: DE123456789 (DE length OK)

Nearby workflows on Toolcore

  • LEI checksum — Twenty-character Legal Entity Identifier—ISO 17442 MOD-97-10 check digits; no GLEIF lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • D-U-N-S Number checker — Nine-digit Dun & Bradstreet identifier—modulus‑10 check digit on eight data digits; no D&B lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • EORI format check — Validate EU EORI number shape (country + up to 15 alphanumerics). when another identifier column uses a different checksum ruleset.
  • IBAN validate & format — MOD-97-10 checksum, country length (embedded list), compact or grouped copy—no bank lookup; browser-only. when another identifier column uses a different checksum ruleset.

Common use cases

  • EU VAT number format for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.