What statistics are shown per column?

Count, null count, unique count, min, max, mean, median, standard deviation, and top value frequencies.

Can I profile just selected columns?

Yes — select specific columns to profile.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — numeric columns show mean/median/std; text columns show top values and character length stats.

Get instant statistics for every column: min, max, mean, nulls, unique count, and distribution. Securely process files in you

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop your CSV file.

Each column shows: data type, null count, unique count, min, max, mean, and top 5 values.

Download the profiling report as CSV or JSON.

Everything you need to know about the Column Profiler.

Continue working with our suite of free data utilities.

Visual data exploration with charts, pivot tables, and column statistics. Processed entirely in your browser for 100% data pr

Generate a full data quality report for a CSV: types, nulls, distributions, outliers. Fast, private, and secure browser-based

Chain multiple data transformations in sequence. Save and rerun pipelines on new data. Securely process files in your browser