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PREFLIGHT CHECK

Shopify Fulfillment service handle checker

Check standard fulfillment values and the lowercase-hyphen syntax for custom fulfillment service handles.

Check CSV

🔒 Analysis runs in your browser; the file itself is not sent to BlueprintLab.

What this tool checks

  • Standard values such as manual
  • Lowercase custom handles
  • Spaces, punctuation and periods

What it cannot determine

This unofficial checker covers only rules that can be verified in the browser. Live account settings, remote server state and later service-side validation remain authoritative.

About this tool

Shopify Fulfillment service handle checker is a free browser-based preflight checker from BlueprintLab Tools. Check standard fulfillment values and the lowercase-hyphen syntax for custom fulfillment service handles.

No sign-up is required and the CSV content is processed locally in your browser.

How to use

  1. Choose the target CSV file.
  2. Run the check.
  3. Review detected issues and fix the source file if needed.