Summ

Summ (formerly known as Crypto Tax Calculator) is a comprehensive, automated cryptocurrency tax reporting and portfolio tracking platform designed to simplify tax compliance for individuals, businesses, and accountants. Built to align with intricate local tax guidelines, the platform seamlessly aggregates financial data by integrating with over 3,500+ sources, including major crypto exchanges, decentralized finance (DeFi) protocols, onchain wallets, and NFT marketplaces.

Through its advanced automation engine, Summ automatically categorizes complex transactions such as staking, airdrops, mining, and multi-chain transfers, tracking over 300,000 currencies accurately on import. The software features a specialized "Least Tax First Out" algorithm to optimize tax liabilities by identifying tax-saving opportunities and selecting high-cost basis asset lots. It provides full transparency into calculations, allowing users to view a granular breakdown of how each transaction's capital gains or