Editing

Extract Columns

Select the useful columns from a large table and save them as a smaller, simpler dataset.

Supports CSV, XLSXTry without logging in

Upload files

Add one file to process.

Columns to extract

Files are handled securely and the originals are never changed.

TOOL GUIDE

Select the useful columns from a large table and save them as a smaller, simpler dataset.

1. Prepare the input
Choose a file in CSV, XLSX format. Where available, use a sample file to inspect the complete result flow first.
2. Confirm the processing rules
Process one file at a time. For Excel files, you can choose the exact sheet to use.
3. Review and save the result
After processing, review the summary metrics and before-and-after preview, then save only the result you need.

Supported input formats: CSV, XLSX
Files per operation: Process one file at a time. For Excel files, you can choose the exact sheet to use.
What the result shows: Create a new file with only the columns you need.

Your original upload is never modified. A separate result file is created.

Review how the result will change before saving it.

Choose the relevant options and start right away.