Free tool / CSV Cleaner and Mapper

CSV Cleaner and Mapper

Clean inconsistent CSV or TSV data, map columns to a target schema and export safer files without uploading customer data.

Current status: Live

Repair data before integration

Available now

Clean inconsistent CSV or TSV data, map columns to a target schema and export safer files without uploading customer data.

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Bring: CSV or TSV files and an optional target-column schema.
You get: Cleaned CSV, visible change summary and reusable mapping JSON.
Know the limit: Deterministic cleanup cannot decide the business meaning of ambiguous columns.

Local by default

The five file and AI engineering tools run in your browser without an account, provider call or analytics. The workflow map can optionally hand a result to the project form only when you choose.