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PREFLIGHT CHECK

Mercari Shops condition code 1–6 checker

Validate Mercari Shops condition codes as the documented numeric values 1 through 6.

Check CSV

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

What this tool checks

  • Blank condition values
  • Values outside 1–6
  • Non-ASCII numeric formats

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

Mercari Shops condition code 1–6 checker is a free browser-based preflight checker from BlueprintLab Tools. Validate Mercari Shops condition codes as the documented numeric values 1 through 6.

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.