Shopify rejected your product CSV?

Find the bad rows.
Get the file fixed.

Run the private checker for an instant diagnosis. If the file still will not import, ThorntonAI will repair one CSV by hand for a flat $49—no subscription or store access.

Get the $49 CSV Rescue ↓Run the free diagnosis
UTF-8 & headers•Quotes & row shape•Variant rules
New checkBrowser-only

Free diagnosis. Human rescue is available for files that still fail.

Founding offer · $49 flat

One rejected CSV.
Fixed by a human.

Send the product CSV and Shopify's exact error. ThorntonAI reviews the rows, repairs what can be changed safely, and returns an import-ready copy with a short issue summary.

  • One Shopify product CSV up to 15 MB
  • Human review plus deterministic file repair
  • Plain-English issue summary and one recheck
  • No subscription and no Shopify admin access
Built for the actual failure modes

A useful answer—not “invalid CSV.”

Private · deterministic · no signup
ROW SHAPEMalformed quotes shift your columns

CommaFix names the first suspicious line instead of making you hunt through the whole catalog.

Must review
HEADERInvisible spaces break exact matches

Safe casing and whitespace errors are repaired in the downloadable copy.

Repaired safely
VARIANTSSome “fixes” can delete product data

Risky handle and option changes are explained but never silently applied.

Your decision
Three steps, zero catalog uploads
01Choose the rejected CSV

Your browser reads the file locally.

02Review exact problems

See affected lines and plain-English explanations.

03Download safe repairs

Risky changes remain yours to approve.

Stop losing hours to one rejected file

Run the checker. If it is still broken, let ThorntonAI finish the job.

Get CSV Rescue for $49 ↑
Merchant guideDecode the most common Shopify CSV errors→Agency toolkitRescue client CSV files without uploading their catalog→