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Polish ID Number Generator
Generate valid Polish ID card (dowód osobisty) numbers with correct check digits. Each number follows the official series-and-number format used on Poland's national identity card.
Which Bank Is This IBAN?
Paste any IBAN to identify the bank, branch, and BIC/SWIFT code.
PESEL Number Checker
Enter a PESEL number to extract the birth date, gender, and verify the check digit. Works as both a PESEL checker and validator.
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 Tax on Rental Income in Poland
Step-by-step guide to paying tax on rental income in Poland: ryczałt rates, registration, monthly payments via mikrorachunek, and PIT-28 filing.
10 min readWhat Is a Mikrorachunek? Poland's Individual Tax Payment Account Explained
A mikrorachunek is your personal tax payment account in Poland. Learn how the 26-digit number works, which taxes it covers, and how to verify one.
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