Check Shopify product CSV changes before importing
Catalog Preflight compares a current Shopify product export with a proposed CSV update locally in your browser. Review price changes, blank fields, variant mismatches and duplicate option combinations before importing. Try the sample without signup or a store connection. The free checker does not change your store or guarantee a safe import. Agency Edition adds branded HTML reports, reviewer notes and reusable policies for $9 USD one-time, plus applicable taxes. Independent tool, not affiliated with Shopify.