Drop the file below. You get an instant report on the errors that actually break imports — duplicate SKUs, missing prices, bad handles, broken variant rows. Nothing is uploaded; the whole check runs in this browser tab.
| Line | Column | What is wrong |
|---|
I take one product CSV (up to 1,000 rows) and return, within 24 hours:
After checkout you get an email address to send the CSV to. If the file turns out to be too broken to fix in one pass, I say so and you get refunded — you are not paying for guesswork.
error 12 Variant SKU Duplicate SKU "TS-BLK-M" (also on line 7) error 4 Variant Price No price on the first row of "crew-tee" error 9 Handle Handle "Blue Mug" must be lowercase letters, numbers and single hyphens warning 6 Option1 Value Variant row under "crew-tee" has no option value
Based on Shopify's documented product CSV format. It is a linter, not a Shopify support service.