SHOPIFY INVENTORY CSV CHECKER

Check stock import risks before CSV upload.

Compare an original Shopify inventory export with your edited CSV. Find SKU, Location, On hand current/new, duplicate rows, and overwrite risks before importing.

Original inventory export

Upload or paste the CSV you exported from Shopify before editing.

Edited CSV ready to import

Paste the file you plan to import back into Shopify.

Files stay in your browser.Not affiliated with Shopify.No OAuth. No store connection.
Critical2
Warnings3
Changed rows5
New / missing1

RISK REPORT

Import issues and overwrite risks

SeverityRowSKULocationIssueSuggested fix
critical3TSHIRT-BLACK-MMain WarehouseOn hand (current) changed from 80 to 70.Use a fresh Shopify export or restore the original current quantity before import.
warning4MUG-WHITEMain WarehouseLarge quantity change from 45 to 0.Double-check this change before importing, especially if it sets stock close to zero.
critical6MUG-WHITERetail StoreDuplicate SKU + Location also appears on row 5.Keep only one row per SKU and Location before importing.
warning7NEW-HATMain WarehouseOn hand (current) is blank while On hand (new) has a value.Do not clear On hand (current) unless you intentionally want to skip overwrite protection.
warning7NEW-HATMain WarehouseThis SKU + Location is not in the original CSV.Confirm that this is a new inventory row and that the Location name is exact.

CHANGE REPORT

Quantity changes by SKU and Location

SKULocationOld currentNew currentNew targetDelta
TSHIRT-BLACK-SMain Warehouse12012095-25
TSHIRT-BLACK-MMain Warehouse807070-10
MUG-WHITEMain Warehouse45450-45
MUG-WHITERetail Store1818180
MUG-WHITERetail Store181820+2

Why check On hand current and new?

Shopify inventory CSV exports can include On hand (current)and On hand (new). The current value acts like a safety check: if real stock changed after export, importing an old file can overwrite newer inventory.

This checker compares your original export with the edited file so changed current values, blank current values, and large stock deltas are visible before import.

Built for pre-import review

This is not a Shopify inventory app. It does not connect to your store, sync stock, or modify quantities. It is a preflight report for merchants who edit CSV files in spreadsheets.

Use it when you want a quick risk report before uploading a CSV to Shopify Admin.

FAQ

Inventory CSV questions

Is this an official Shopify tool?

No. This site is not affiliated with Shopify. Always check Shopify's official documentation before importing important inventory data.

Do you upload my CSV files?

No. The checker runs in your browser. The first version does not send CSV content to a server.

Can it read my live Shopify stock?

No. It compares the CSV files you provide. It cannot read live store inventory because it does not use Shopify OAuth or API access.

Does it support Product CSV?

No. The first version is intentionally focused on Shopify Inventory CSV import risk, not product catalog validation.