CSV Data Profiler

Profile a CSV in seconds: column types, missing values, duplicates, outliers and distributions, with a shareable report. Free, in your browser.

How to use the CSV Data Profiler

Get a quick health check of any dataset.

1. Load your data
2. Read the overview
3. Review each column

Tips

• Missing means empty or blank. Distinct means different values.
• A big gap between mean and median usually means outliers.
• Tick “Only columns with warnings” to find problems fast.

Example

Input: sales.csv

Output: 10 rows, 8 columns, 90% complete

Frequently asked questions

What does the profiler show?

Types, missing values, duplicates, outliers, statistics and a warning for each column.

Can I share the report?

Yes. Download an HTML report, and lock it with a password if needed.

What counts as a duplicate row?

A row identical to an earlier one in every column.

Guides

• Data Profiler: Check Data Quality Before You Use It
• Password-Protected Data Reports: Share a Locked HTML File