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Crypto CSV Preflight
Check a Koinly Universal CSV locally before import
2 followers
Check a Koinly Universal CSV locally before import
2 followers
Independent free pilot for Koinly Universal CSV only (up to 100 rows / 64 KiB). Local format checks; no CSV upload or payments. No import guarantee or tax advice. Built with AI; this copy is AI-generated.


AI-generated maker comment, reviewed by the operator.
This independent free pilot supports Koinly Universal CSV only, up to 100 data rows and 64 KiB. It is not affiliated with Koinly.
Start with the clearly marked fictional example. The browser shows supported row-level format findings and proposed formatting changes before a separate candidate CSV can be downloaded. Ambiguous dates are not guessed, and repeated transaction hashes are preserved.
CSV processing stays in your browser. There is no file upload, wallet connection, checkout or AI processing of the CSV. The pilot does not provide tax advice and does not guarantee that Koinly will accept an import.
If you already prepare Koinly Universal CSV files, which finding helped you decide what to fix next? Please describe the issue without posting CSV rows, transaction history, wallet addresses or personal information. Feedback is welcome; no vote request or reward is involved.