Do I need header names in my CSV?

Yes. The tool uses headers to identify columns for selection.

Will the row order stay the same?

Yes. Rows are kept in the original order.

It keeps the same rows; you can clean empties using a CSV cleaner tool.

No. All processing happens in your browser.

Yes. Selecting all will output the same data.

Data Processing & CSV Tools

Select and extract specific columns from a CSV file to create a custom dataset.

Select and extract specific columns from a CSV file to create a custom dataset.

#csv#extraction#data-science#columns

Privacy-first

Runs entirely in your browser session.

No uploads

Data stays in your browser during processing.

Predictable performance

No server queue delays for standard tasks.

Operational control

You choose structure, cleanup, and export flow.

API

If you need this workflow at scale, automate it in your product.

Automate data operations across pipelines and integrate browser-first processing into your application stack.

Coming Soon