CatalogWash

Convert messy supplier files into Shopify-ready CSVs

Free report and preview. $9 per cleanup session — re-export the same file as many times as needed for 24 hours. No Shopify login required.

CatalogWash helps Shopify merchants, dropshippers, VAs, and ecommerce freelancers clean messy supplier CSV/Excel product files, map columns, preview product to variant to image structure, detect import-blocking issues, and export Shopify-ready CSVs.

Upload CSV Try sample file Free import health report

Found a CSV this tool could not fix? Send feedback.

Public beta

If CatalogWash cannot fix your CSV, send us the Shopify error message and we will use it to improve the rules.

Send feedback

Export format tested with Shopify product CSV import.

CatalogWash helps reduce import errors, but you should review business-critical product data before importing.

Your file stays in your browser unless you use AI mapping or save your session.

Browser-first processingNo Shopify login requiredNo product data stored by defaultAI only when requested

How it works

Upload

CSV/XLSX supplier file parsed locally

Map

AI suggestions use only headers and sample rows

Validate

Errors, warnings, and suggestions in plain English

Export

Free report and preview. $9 per cleanup session with 24-hour re-exports.

Your product data stays yours.

We do not store your product list by default. Your CSV/XLSX is processed in your browser. Only mapping/report metadata is saved if you choose to save a session. AI mapping sends only headers and a small sample after you ask for it.

Browser-first processing

No Shopify login required

No product data stored by default

AI only when requested

Free

Upload CSV/XLSX, map columns, see import health report, and preview products.

$9 per cleanup session

Re-export the same file as many times as needed for 24 hours. Includes fixed Shopify CSV, error report, mapping summary, and export metadata. A new uploaded source file starts a new session.

VA/Agency later

Packs soon

Cleaning multiple client files? VA/Agency packs coming soon. Not required for the beta export flow.

Free report and preview. $9 per cleanup session — re-export the same file as many times as needed for 24 hours.

Demo preview

Messy supplier CSV

Item Name, SKU Code, Retail Price, StockClassic Tee, TS-001, $19.99, 12Classic Tee, TS-001, nineteen, unknown

Shopify-ready preview

Product: Classic TeeVariants: Size / Color / SKU / PriceIssues: invalid price, duplicate SKU, image review

Shopify merchants

Dropshippers

Virtual assistants

Ecommerce freelancers

CatalogWash links

Tool Fix Shopify CSV import errors Convert supplier CSV to Shopify Shopify variant CSV errors Fix Shopify duplicate SKU error Shopify invalid inventory quantity fix Shopify image URL CSV error Privacy Terms Refund Policy Contact

Export format tested with Shopify product CSV import. Not affiliated with Shopify. CatalogWash helps reduce import errors, but you should review business-critical product data before importing.