Calculate your taxes instantly
Upload your IBKR Activity Statement CSV to automatically calculate your Polish PIT-38 tax liability - proceeds, cost basis, FIFO lots, dividends, all converted to PLN using official NBP rates
Click or drag your CSV file to this area
Upload your IBKR Activity Statement CSV (Trades + Dividends + Withholding Tax sections required)
FIFO Matching
Strict adherence to Polish tax law: oldest shares are sold first.
NBP Exchange Rates
Daily historical rates applied exactly one business day before each trade.
Dividends & Withholding
Tax treaties applied. We calculate the remaining 4% owed in Poland.
PIT-38 Ready
Every required field (22, 23, 45, 46, 47) is mapped automatically.