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CSV Statistics

Profile CSV datasets — row counts, column types, null rates, value distributions. Scope data quality before analysis — local parsing, free, no signup.

100% Local Browser Native

How to Use the CSV Statistics

1. Upload the CSV

Exports of any reasonable size.

2. Read the profile

Types, nulls, and distributions per column.

3. Plan cleaning

Drop, impute, or fix by the numbers.

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Frequently Asked Questions

What profile comes out?

Row/column counts, per-column types, null percentages, distinct counts, and min/max for numerics. A client file's quality reads in one screen.

How do null rates guide cleaning?

Columns over 30% null usually drop; under 5% impute safely. The profile quantifies what gut feel guesses.

How large a dataset profiles?

Hundred-thousand-row CSVs profile locally in seconds with streaming parse. Million-row files sample first.

Does profiling upload data?

No — profiling runs locally in your browser. Data never leaves your device.

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Last updated October 2026