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NIP Generator
Generate valid Polish NIP (VAT / tax ID) numbers with correct checksums for software testing.
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.
NIP Checker
Verify any Polish NIP (VAT/tax ID) number with an instant checksum check and tax office prefix decode.
Top articles
Which Taxes Are Paid Through a Mikrorachunek in Poland?
PIT, CIT, and VAT go through your mikrorachunek. PCC, property tax, and local fees do not. Here is the full breakdown for taxpayers in Poland.
7 min readNIP Number in Poland: How to Find, Check, and Validate It
What is a NIP number in Poland? Learn how to find your own NIP, check a company's tax ID, and validate any Polish NIP online.
7 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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