How large a file can be previewed?

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

Can I edit data in Preview?

No — Preview is read-only. Use the Cleaner or Filter tool for edits.

No. Everything runs locally in your browser.

CSV, TSV, and Excel (.xlsx, .xls).

Yes — use the search bar to filter rows by any value.

Instantly preview and explore any CSV file in a clean, paginated table view. Processed entirely in your browser for 100% data

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

Unlocking Tool Engine...

Complete your task perfectly in just three straightforward steps.

Drop any CSV or Excel file.

Navigate rows with pagination. Sort by clicking column headers.

Export a filtered view as CSV.

Everything you need to know about the CSV Preview.

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