CSV Tools
Free Shopify CSV Checker
Check your Shopify product CSV before you import it and catch dangerous errors early.
Who this tool is for
Shopify merchants and operators who want safer imports without signup or backend uploads.
How it works
Open app mode, upload or paste your CSV, and get an import readiness score, category breakdown, and prioritized fix list.
Private by design: this tool runs in your browser. Your CSV is not uploaded to our servers.
FAQ
Why does my Shopify CSV import fail?
Imports fail when required headers are missing, handles conflict, variant rows are malformed, or price and image fields have invalid values.
What headers does a Shopify product CSV need?
At minimum, most merchants should validate Handle, Title, and Variant Price columns before importing.
What happens if Shopify handles match existing products?
If matching handles already exist and overwrite settings are enabled, Shopify can update existing products with your CSV values.
Shopify Import Disaster Preventer
Shopify CSV Checker
Check your Shopify product CSV before you import it
Upload your CSV and find missing headers, duplicate handles, variant mistakes, SKU issues, invalid prices, image problems, and overwrite risks before Shopify touches your store.
Prevent product import disasters before they happen.
Runs in your browser. Your CSV is not uploaded to our server.
Shopify CSV import problem guides
Use these focused guides when you know the failure mode you need to fix. Each guide links back to the checker so you can validate changes before uploading to Shopify.
Why Shopify CSV imports go wrong
Shopify product imports usually fail because CSV files mix product-level data and variant-level data in ways that are hard to spot by eye. A single mismatch in handles, option structures, or price formats can trigger failed imports, partial updates, or accidental changes to live products.
Common Shopify product CSV problems
The most common Shopify CSV import errors include missing required headers, duplicate handles with inconsistent option rows, duplicate SKUs, invalid price values, broken image URLs, and oversized files. These issues often appear together and are easy to miss in spreadsheets.
How to check a Shopify CSV before importing
- Validate required headers first, especially Handle, Title, and Variant Price.
- Review duplicate handles and confirm option combinations are unique.
- Check SKU quality, price formatting, and compare-at logic.
- Verify Image Src and Variant Image fields are valid URLs.
- Assess potential overwrite risk before importing into a live catalog.
Shopify CSV import checklist
- Required headers present and not duplicated.
- No unsafe duplicate handles or variant collisions.
- SKUs are unique, trimmed, and non-placeholder.
- Variant prices are numeric and commercially valid.
- Image URLs use full http:// or https:// paths.
- File size and row count are staged for safe import batches.
Frequently asked questions
Why does my Shopify CSV import fail?
Most failures come from missing required columns, variant structure conflicts, invalid price values, and malformed image URLs.
What headers does a Shopify product CSV need?
For safe imports, validate Handle, Title, and Variant Price at minimum, then confirm variant and image fields for completeness.
What happens if Shopify handles match existing products?
Shopify can match on handles and update existing products when overwrite settings are enabled, which is why overwrite risk checks matter.
How do I fix duplicate handles in a Shopify CSV?
Keep one intended handle group per product, ensure option combinations are unique, and remove accidental duplicate product rows.
Why are my Shopify variants not importing?
Variant imports fail when option names and values are inconsistent or duplicated inside the same handle group.
Why are my Shopify product images not importing?
Images fail when URLs are invalid, missing protocol prefixes, or contain malformed characters such as spaces.
How big can a Shopify product CSV be?
Limits vary by workflow, but large files are more fragile. Splitting files above roughly 10 to 15 MB is usually safer.
Should I test a Shopify CSV before importing?
Yes. A pre-import CSV check reduces failed imports, accidental overwrites, and live catalog disruption.