Data cleaning / FREE
CSV Data Profiler
Inspect missing values, data types, distinct counts, and numeric distributions.
HOW TO USE IT
CSV Data Profiler
Paste or choose a CSV, then profile it. Download the report to document quality issues.
What to know
Types are suggestions based on all nonblank values. Blank or whitespace-only cells count as missing. Distinct counts exclude missing values. Numeric summaries use plain decimal values; leading-zero IDs and unsafe integers stay text. Standard deviation is the sample statistic.