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PREFLIGHT CHECK

BASE product CSV and image ZIP consistency checker

Match image filenames referenced by a BASE product CSV against a ZIP archive and find missing or risky filenames.

Check CSV and image ZIP

🔒 Both CSV and ZIP files are analyzed locally in your browser.

What this tool checks

  • CSV-to-ZIP image filename matching
  • Missing referenced images
  • Duplicate image basenames in ZIP
  • Non-ASCII filenames
  • 1 GB ZIP limit

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

BASE product CSV and image ZIP consistency checker is a free browser-based preflight tool from BlueprintLab Tools. Match image filenames referenced by a BASE product CSV against a ZIP archive and find missing or risky filenames.

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.