Free Online CSV Data Profiler
Profile CSV data for row counts, missing values, unique values, inferred types, min, max, and sample values. Everything runs locally in your browser, so pasted code, CSV data, and deployment notes are not uploaded.
CSV Data Profiler
Profile CSV data for row counts, missing values, unique values, inferred types, min, max, and sample values.
Profiles rows, blanks, uniqueness, numeric ranges, and likely data types locally.