View, filter, and clean CSV data
View CSV rows, search selected columns, remove duplicate output rows, and download selected columns.
How to use CSV viewer and cleaner
- 01Choose a CSV file within the displayed limits.
- 02Search rows, select columns, and choose whether to remove duplicate output rows.
- 03Download the selected CSV.
Frequently asked questions
Is my data uploaded?
No. The available inspection and transformation operations run in your browser.
What are the limits?
CSV inspection is limited to 20 MB, 50,000 data rows, and 100 columns. The first row is treated as the header.
Do I need to install anything?
No. Use a modern browser with nothing to install or sign up for.