1099-DA.app - Free Crypto Tax Calculator
1099-DA.app is a free, browser-based crypto gains and losses calculator. Upload CSV exports from Coinbase, Kraken, Gemini, or Robinhood to calculate capital gains, losses, and cost basis using FIFO, LIFO, or HIFO methods. Export Form 8949 CSV for your CPA. All processing happens in your browser — no data is uploaded to any server.
Features
- FIFO, LIFO, and HIFO cost basis methods
- Coinbase, Kraken, Gemini, and Robinhood CSV import
- Form 8949 CSV export for your CPA
- PDF report with branded layout
- Short-term and long-term capital gains breakdown
- Ordinary income tracking (staking rewards, airdrops)
- Remaining portfolio holdings summary
- 100% client-side — no data leaves your device
What is Form 1099-DA?
Form 1099-DA (Digital Asset Proceeds From Broker Transactions) is the IRS information return that custodial digital asset brokers must use to report sales and exchanges of digital assets, similar to Form 1099-B for stocks. First required for tax year 2025.
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