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PREFLIGHT CHECK

Mercari Shops 130-character product name checker

Find blank or over-130-character product names in a Mercari Shops bulk registration CSV.

Check CSV

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

What this tool checks

  • Blank product names
  • 130-character limit
  • Row and character count

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 130-character product name checker is a free browser-based preflight checker from BlueprintLab Tools. Find blank or over-130-character product names in a Mercari Shops bulk registration CSV.

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.