A curated list of useful online validation tools for developers, businesses and everyday use. Validate emails, bank accounts, VAT numbers and more.
Simple tools. Fast validation. No signup required.
| Tool | Description | Link |
|---|---|---|
| Email Validator | Check if an email address is valid and properly formatted. | https://email-validator.com/en |
| IBAN Validator | Validate international bank account numbers and check their structure. | https://iban-validator.com/en/tools/iban-check |
| SEPA XML Validator | Validate your SEPA Direct Debit XML (pain.008) for structure and content issues | https://iban-validator.com/en/tools/sepa-xml-validator |
| VAT Validator | Verify EU VAT numbers using official validation rules. | https://vat-validator.com/en |
| UID Validator | Check Austrian UID / VAT identification numbers. | https://uid-validator.com/de |
These validators are useful for:
- form validation
- fraud prevention
- data cleaning
- business compliance
- developer workflows
They are designed to be:
- fast
- free to use
- accessible without registration
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