Custom CSV Import
Last updated: March 2026 Use the Custom CSV import to add transactions that are not automatically fetched through an exchange integration or wallet import. Common use cases include: * Transactions from an exchange not yet supported by CryptoTax * OTC trades (e.g. directly with a counterparty) * Mining income or airdrops not recorded on-chain * Migration from another tax tool You create a CSV file with your transactions and upload it to CryptoTax. Below we explain step by step how it works