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PREFLIGHT CHECK

Shopify product CSV preflight checker

Check UTF-8, Handle, Title, price, fulfillment service, duplicate options and image URLs before Shopify import.

Check CSV

🔒 Analysis runs in your browser. The CSV file itself is not uploaded to BlueprintLab.

What this tool checks

  • UTF-8 encoding
  • Handle and Title
  • Variant Price
  • Variant Fulfillment Service
  • Duplicate option combinations per Handle
  • Image Src URL

What this tool cannot verify

The tool does not claim to verify live service-side master data, account-specific state, or network reachability that cannot be established reliably in-browser. The service’s own validation remains authoritative.

About this tool

Shopify product CSV preflight checker is a free browser-based preflight tool from BlueprintLab Tools. Check UTF-8, Handle, Title, price, fulfillment service, duplicate options and image URLs before Shopify import.

No account is required, and file contents are processed locally in the browser. Use it as a final check before upload.

How to use

  1. Choose the file(s) to check.
  2. Run the check.
  3. Review issues and download the report if needed.