Polish PIT-38 tax calculator for Interactive Brokers — converts trades & dividends to PLN, calculates FIFO capital gains, and generates ready-to-file PIT-38 values
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Updated
Apr 16, 2026 - C#
Polish PIT-38 tax calculator for Interactive Brokers — converts trades & dividends to PLN, calculates FIFO capital gains, and generates ready-to-file PIT-38 values
Polish PIT-38 tax calculator for foreign brokerage income. Auto-imports Interactive Brokers CSV, fetches NBP exchange rates, applies FIFO cost basis, and fills PIT-38 & PIT/ZG fields. Runs entirely in your browser - no server, no accounts, no data leaves your device.
Rozlicza polski podatek od zyskow kapitalowych, (kupno/sprzedaz, dywidendy, odsetki, pozyczanie akcji) dla Interactive Brokers. Program wygenerowany z pomoca Claude, obliczenia wygladaja OK. Bazuje na eksportach .csv takich jak to robi easypit38.com https://www.youtube.com/watch?v=DODrozmiDUc
Local-first application to calculate dividends from IBKR for Polish tax form PIT-38
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