How large a CSV can it handle?

Free plan: up to 100,000 rows. Pro: up to 5 million rows.

Can I edit data in CSV Lens?

No — CSV Lens is read-only. Use the Cleaner or Filter tool for editing.

No. Everything runs locally in your browser.

Yes — the current filtered/sorted view can be exported as CSV.

Yes — click bars in distribution charts to filter the table.

Explore large CSV files instantly with sorting, filtering, and column statistics. Fast, private, and secure browser-based too

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

Unlocking Tool Engine...

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