Column Selector
Choose which columns to keep. Drag to reorder the output. Securely process files in your browser memory with zero data transf
Your files never leave your device. Processed locally. 100% private.
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How To Use Column Selector
Complete your task perfectly in just three straightforward steps.
Upload file
Drop your CSV or Excel file.
Select columns
Check the columns you want and drag to reorder.
Download
Download the file with only your chosen columns.
FAQ
Everything you need to know about the Column Selector.
What formats are supported?
CSV and Excel (.xlsx).
Can I reorder columns?
Yes, by dragging.
Is my file uploaded?
No. Everything runs locally in your browser.
What is the file size limit?
Process files up to the browser memory limit.
Can I select all at once?
Yes, using the All/None buttons.
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