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PESEL Generator
Generate valid random PESEL numbers with correct checksums. Pick birth date and gender, get a properly encoded Polish ID number instantly.
Which Bank Is This IBAN?
Paste any IBAN to identify the bank, branch, and BIC/SWIFT code.
NIP Checker
Verify any Polish NIP (VAT/tax ID) number with an instant checksum check and tax office prefix decode.
Top articles
Poland Business Registry Search: How to Look Up a Company by NIP
Look up any Polish company by its NIP number. Search CEIDG, KRS, and the VAT white list to verify businesses and confirm VAT status.
7 min readHow to Pay a PIT Underpayment in Poland
Owe money after filing your PIT in Poland? Learn how to pay a niedopłata step by step, including deadlines, transfer details, and late payment interest.
8 min readWhen Do You Have to Give Your PESEL in Poland? Your Rights Under RODO
Learn when you're legally required to share your PESEL number in Poland and when you can refuse under RODO (GDPR). A foreigner's guide to data protection.
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