Validate business identifiers
Check IBAN, VAT, Luhn, and GTIN-like values before copying them into test data.
Free Data Tools
Normalize phone numbers, validate Luhn, IBAN, VAT, GTIN values, and search ISO country data locally.
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Popular workflows
Normalize customer data
Clean phone numbers and country hints for lightweight CRM or form testing.
Check product codes
Validate GTIN-style check digits and compare results with country or VAT context.
Common tasks
- Normalize pasted phone numbers.
- Validate Luhn checksum numbers.
- Check IBAN checksum structure.
- Search ISO country names and codes locally.
All tools in this topic
Phone Number Parser Normalize phone numbers and show country hints for common prefixes Luhn Validator Validate card-like numbers with the Luhn checksum locally IBAN Validator Validate IBAN checksum and normalize spacing locally VAT Number Helper Normalize VAT numbers and show country prefix hints without remote lookup ISO Country Search Search common ISO country codes, names, and calling prefixes locally GTIN Validator Validate GTIN, EAN, UPC, and ISBN-style check digits locally
Frequently asked questions
Do data validators call remote services?
No. P2a data tools only run local formatting and checksum checks.
Is VAT validation official?
No. VAT Number Helper normalizes and explains prefixes without remote registry lookup.
Can I validate IBAN locally?
Yes. IBAN Validator checks the MOD-97 checksum locally.
Can I search countries offline?
Yes. ISO Country Search uses a compact local country list.