Product Forge

Shopify CSV Pre-Flight Checker & Converter

Find import blockers in messy supplier product CSVs, fix field mappings, and export a Shopify-ready file before upload.

Fix product CSV problems before importing to Shopify

Supplier spreadsheets are rarely Shopify-ready. Map fields, clean data, validate every row, and export a file Shopify will actually accept.

No signup required. Runs locally in your browser. Import-ready export.

The supplier CSV problem

Most supplier files use custom column names, mixed formats, and inconsistent pricing. Before you can import to Shopify, you need to map those columns to Shopify’s expected fields, validate the data, and remove rows that would break the import. ProductCSVFixer does that in one flow.

Upload your supplier CSV
Drag and drop any product CSV. We accept files from suppliers, marketplaces, or your own exports.
Map fields automatically
Our tool suggests mappings between your columns and Shopify fields. Review and adjust in seconds.
Validate every row
Check for missing titles, bad prices, duplicate SKUs, malformed image URLs, and required field gaps.
Apply transforms
Trim whitespace, fix casing, generate URL handles, clean image URLs, and format numbers automatically.
Export Shopify-ready CSV
Download a cleaned CSV with blocked rows removed and fields mapped for direct Shopify import.
Privacy first
Everything runs in your browser. Your file is never uploaded to a server.

Common CSV problems we fix

Field mapping
Your columns are matched to Shopify fields like Title, SKU, Price, Handle, and Image URL.
Data cleanup
Whitespace trimming, case normalization, handle generation, and currency-to-number conversion.
Row validation
Critical errors block export. Warnings are shown so you can decide what to fix.

Clean your supplier CSV for Shopify now

Upload, map, validate, and export — all in your browser. No signup needed.

File privacy

Your CSV is processed in your browser. We do not store uploaded files. We may collect anonymous usage events such as page views, upload, validation, and export clicks, but not your CSV contents.

No signup requiredRuns locally in your browserImport-ready export