Map messy CSVs to Shopify/Stripe in 30 seconds

Drop your file, pick a template, download a clean, validated CSV. No login. Runs in your browser.

No signup
Files stay on your device
Open source (MIT)

How it works

Three simple steps to clean data

1. Drop your CSV

Upload any messy CSV file. Processing happens entirely in your browser - no data leaves your device.

2. Auto-map fields

Our smart engine matches your headers to the target schema. Review and adjust the mapping as needed.

3. Download clean CSV

Get a validated, properly formatted CSV ready to import into Shopify, Stripe, or any other platform.

Try with sample files

Run these sample CSVs instantly in the mapper