Local file check
Shopify CSV Validator
Check a Shopify product CSV or a selected XLSX worksheet using documented local rules. The file stays in this browser tab.
Choose or drop your Shopify product CSV / XLSX
CSV / XLSX · Up to 15 MiB · Processed in your browser
This public practice file adds a BOM and mixed line endings to an official sample subset. Apply the safe fixes, download the copy, then review it in Compare. Product values stay unchanged.
What is checked
CSV structure, supported headers, product and variant patterns, price and image URL syntax, and selected-worksheet XLSX formula and numeric risks.
Local by design
The scan runs in browser memory and a Web Worker without connecting to a Shopify store.
Review supported rules