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About Koinly

Koinly is the default answer to "how do I do my crypto taxes?" in much of the world. Connect exchanges and wallets — it supports 20,000+ tokens, 400+ exchanges and services, and 170+ blockchains — and it reconstructs your transaction history into tax-compliant reports for more than 20 countries, including the US, UK, Canada, Australia, and New Zealand.

Founded in 2018 and headquartered in London, it serves both individual filers and the accountants who inherit their spreadsheets.

What the AI does

An AI-powered matching engine auto-detects transfers between a user's own wallets to exclude them from gains, flags missing or duplicate transactions, and auto-categorizes trades, staking, and mining income at received-time value.

Highlights

  • Supports 20,000+ tokens, 400+ exchanges/wallets, 170+ blockchains
  • Generates compliant tax reports for 20+ countries
  • Used by individuals and accountants alike

Third-party reviews

Trustpilot
4.6/ 5
2,278 reviews

Widely praised for a straightforward, guided experience and responsive, knowledgeable support.

Read on Trustpilot

Ratings belong to the cited platforms and change over time — last checked August 2026. TaxAIs does not collect its own reviews; follow the links above for current scores and full review text.