Bitcoin Tax Reconciler ₿
Cost basis math you can defend.
Upload your Coinbase / CoinTracker CSV. Compare FIFO, LIFO, and HIFO outcomes. Flag transactions with missing acquisition data. See an estimated tax delta vs the naive report. Not tax advice. Your CSV stays in this browser.
Step 1 · Upload CSV
Expected columns (case-insensitive): Date, Type (Buy/Sell/Receive/Send), Asset (or Currency), Amount (or Quantity), Cost basis (or Subtotal/Total), Proceeds (or USD Amount).
Step 2 · Parsed Summary
Cost Basis Method Comparison (selected year)
FIFO (default IRS)
$0
LIFO
$0
HIFO (highest-in-first-out)
$0
HIFO typically minimizes tax on appreciated assets. IRS allows specific identification (which HIFO uses) if you maintain consistent documentation.