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Check a Shopify product CSV for margin leaks

Find missing cost per item, products priced below cost, weak gross margin, and inventory attached to a margin gap before you install anything.

Your CSV stays on this device. It is read and analyzed in this browser, not uploaded or saved by Margin Sentinel.

1. Choose the target

Run the margin check

Target gross margin%

Choose Shopify product CSVExpected columns: Variant Price, Cost per item, and Title, Handle, or Variant SKU.

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What this check does not include

It estimates catalog gross margin from current price and cost per item. It does not include discounts, shipping, returns, payment fees, ad spend, taxes, or order-level net profit.