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pit-38

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klopit

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.

  • Updated Apr 16, 2026
  • TypeScript

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