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Form 8621 complexity estimator
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PFIC portfolio analyzer
Run your real portfolio through the actual §1291 calculation engine — not a rough estimate.
PFIC calculator (Form 8621)
Build a date-based §1291 allocation for supported Form 8621 inputs.
Is my fund a PFIC?
Check whether a foreign fund or ETF triggers Form 8621.
Swiss PFIC checker
Check your Swiss broker and holdings — Swissquote, IBKR, UBS, VIAC, finpension, Frankly — for PFICs.
FBAR & Form 8938 threshold checker
See if you must file FinCEN 114 and/or Form 8938 this year.
PFIC §1291 calculation estimator
Allocate a PFIC gain or excess distribution using exact dates and the filing engine.
Streamlined eligibility checker
See whether your facts may fit the Streamlined Foreign Offshore Procedures.
Foreign income → USD converter
Convert foreign income to USD with approximate IRS yearly-average rates.
Expat tax deadline checker
See the key US expat filing dates and how many days remain.
FEIE vs Foreign Tax Credit estimator
A rough directional read on whether FEIE or the Foreign Tax Credit fits.