VAT Validator

Validate EU VAT numbers locally in your browser with country code, format, and checksum checks for supported countries.

VAT Validator

A browser-based tool to strictly validate EU VAT numbers. It runs entirely locally and checks country code, format, and checksum rules for supported countries.

How to use

  1. Paste or type a VAT number into the input box. Spaces, dots, and hyphens are supported.
  2. The tool normalizes the input automatically and validates the country code, format, and checksum for supported countries in real time.
  3. Review the normalized value, country code, VAT number body, and format hint in the result area.

Features

  • 100% local processing with no tax identifier upload
  • Supports multiple EU VAT formats
  • Provides checksum validation for selected countries plus format hints

Why use this?

  • Quickly verify whether an EU VAT number follows the expected pattern
  • Catch formatting issues in finance input, VAT forms, or master data cleanup
  • Free, fast, secure, and independent from third-party APIs

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