utilzilla.

Catalog Check

Check a Shopify product import before you upload it.

Find selected product, variant, price, and image URL issues in a Shopify CSV.

Running this tool sends your inputs to UtilZilla on Vercel for this check. Inputs are not saved by the tool. Do not submit secrets or payment-card data.

UTF-8 CSV · up to 512 KiB and 5,000 rows · selected local checks, not a guarantee of Shopify acceptance.

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About Catalog Check

Catalog Check sends the supplied CSV to UtilZilla only when you run the check. It validates documented Shopify headers and selected product and variant fields, then returns row-level findings and a downloadable report. The check does not contact Shopify or import anything.

Frequently Asked Questions

When you run a check or request a calendar file. Inputs are sent to the UtilZilla server for that request and are not saved by this tool.

UTF-8 CSV · up to 512 KiB and 5,000 rows · selected local checks, not a guarantee of Shopify acceptance.