Know what to check before you import.
Product CSV imports can be surprisingly unforgiving. Start with a practical, free pre-import checklist. An automated checker is in development.
No account. No file upload. No store connection.
Small CSV mistakes can mean big cleanups.
Shopify documents specific import requirements and warns about overwriting existing fields and variant data. A review before import is often easier than investigating unintended changes afterwards.
Required fields change between new-product imports and updates.
An included empty field may not behave like an omitted field.
Option dependencies can make a seemingly small edit risky.
Your pre-import checklist.
Choose what you're doing. Mark each step yourself, then download a copy. This is not an automated CSV validator.
Get a short, source-linked checklist for your workflow. It runs entirely in your browser.
A proper preflight, not another spreadsheet headache.
Catalog Preflight is being developed as a focused, browser-first tool to flag supported CSV issues before a merchant imports into Shopify. Actual coverage, availability and pricing will be published only after the app is tested.