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Profile delimited data with explicit missingness and distinctness denominators, conservative type inference, and exact CSV diagnostics.
Empty cells are exact empty strings. Distinct counts preserve case and whitespace; types are conservative inferences, not a schema guarantee.
Your CSV stays in this browser and is not uploaded.
Limits: 1,000,000 characters, 50,000 rows, 1,000 columns, 250,000 cells, 200 diagnostics, and 1,000 ms.