Free inventory tool

Compare inventory CSVs for mismatches

Upload a Shopify product export and a supplier or warehouse file. We match rows by SKU and highlight quantity differences and missing products — no account required.

This tool runs in your browser. Your file is not uploaded to our servers.

Shopify / base inventory file

Usually a Shopify products or inventory export (CSV or Excel) with SKU and quantity or Available / On hand columns.

Supplier / warehouse file

Your latest stock count or supplier spreadsheet with SKU and quantity. Location columns are mapped as store/group.

Fix mismatches in Import Ready

After you identify bad SKUs or quantities, validate the file, bulk-edit stock, and export a Shopify-ready CSV — or use the free tools below first.

Validate & fix in app Validate CSV free Download templates Read mismatch guide