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Mikrorachunek Generator
Generate your individual Polish tax account number (mikrorachunek podatkowy) from a PESEL or NIP.
Mikrorachunek Checker
Check whether a mikrorachunek podatkowy number matches the official format and extract the embedded PESEL or NIP.
NIP Checker
Verify any Polish NIP (VAT/tax ID) number with an instant checksum check and tax office prefix decode.
Top articles
How to Get Polish Citizenship by Descent
How to get Polish citizenship by descent. Eligibility rules, required documents, application steps, costs, and timelines for ancestry-based claims.
10 min readHow to Block Your PESEL Number in Poland
Step-by-step guide to blocking your PESEL number via mObywatel, your bank, or in person. Learn what zastrzeżenie PESEL protects and how to reverse it.
7 min readHow to Get a PESEL for Your Child Born Abroad or Newborn in Poland
How to get a PESEL for your child born outside Poland or as a newborn. Required documents, which office to visit, and what to expect.
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