Import your Etherscan Multi-chain transaction history into dTax and calculate capital gains, income, and generate IRS Form 8949 — automatically.
CSV Format
Multi-chain EVM Explorer CSV (Polygon, Arbitrum, Base, etc.)
API Sync
CSV only
DeFi Support
On-chain DeFi parsing
Auto-detect
Format detected automatically
Official Website
etherscan.ioGo to the relevant chain explorer (polygonscan.com, arbiscan.io, basescan.org, etc.).
Search your wallet address and download the CSV export.
Upload to dTax — EVM explorer formats are auto-detected across 16 supported chains.
Sign up at getdtax.com (free — no credit card needed).
Go to Data Sources → Add Source → Upload CSV.
Upload your CSV file. The format is auto-detected.
dTax parses, classifies, and deduplicates all transactions.
Go to Tax → Calculate to generate your Form 8949 and Schedule D.
dTax supports 16 EVM-compatible chains: Ethereum, Polygon, Arbitrum, Optimism, Base, Avalanche, BSC, Fantom, Cronos, Linea, Scroll, and more. Upload the CSV from any chain's block explorer.
Free plan: unlimited transaction imports. PRO ($49/year) unlocks all 13 cost basis methods and full report export.