CatalogWash
Fix Shopify duplicate SKU errors before import
Duplicate supplier SKUs can confuse inventory tracking and trigger Shopify import problems. CatalogWash flags repeated Variant SKU values, shows affected rows, and keeps ambiguous conflicts for human review.
What the free report shows
Upload a CSV/XLSX, map supplier SKU columns to Variant SKU, then review duplicate SKU groups alongside product and variant previews.
Browser-first. No Shopify login required.
CatalogWash links
ToolFix Shopify CSV import errorsConvert supplier CSV to ShopifyShopify variant CSV errorsFix Shopify duplicate SKU errorShopify invalid inventory quantity fixShopify image URL CSV errorPrivacyTermsRefund PolicyContact
Export format tested with Shopify product CSV import. Not affiliated with Shopify. CatalogWash helps reduce import errors, but you should review business-critical product data before importing.