PreflightZIPPro
Your files never leave your device

Etsy digital product preflight

Is your ZIPcustomer-ready?

Drop in a package. PreflightZIP checks ZIP integrity, Etsy limits, junk files, missing documents, and customer compatibility in seconds.

100% local processing CRC + safe path checks Clean package + report
Drop your ZIP package here

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Up to 5 ZIPs · 100 MB per source package

Etsy currently allows up to 5 digital files per listing and 20 MB per file. Rules can change; confirm them in Etsy Help before uploading.

Know exactly what passed

Technical confidence, without fake promises.

PreflightZIP reports the check actually performed for each file, preserves complete SHA-256 fingerprints, and keeps production, legal, and marketplace decisions in your hands.

Format-aware inspectionFile signatures, readable metadata, archive integrity, paths, names, sizes, and preset-specific requirements.
Private by designProduct files are opened, inspected, repackaged, and hashed on your device—not sent to an analysis server.
Clear verification limitsExtension-only checks are labeled. PreflightZIP never claims physical output, legal rights, Etsy approval, or guaranteed sales.
Read the check guide and troubleshooting steps