Weight Conversion
Converts Shift4Shop pounds to Shopify grams (× 453.592).
Shift4Shop to Shopify Migration Tool - 3dcart Products
or drop files here .csv, .xls, .xlsx, .xlsm (up to 50 MB)
Free 5-row preview · No sign-up required
Invoice import blocked if Sales Tax enabled in QBO
Migrate Complete
Your converted file is ready!
Download now before closing this page
Shopify Products CSV Format
Showing valid rows only (download includes all rows + errors)
All rows valid
| $ |
|---|
+ more rows
valid rows
invalid rows skipped from preview
credits
| Row | Column | Value | Error |
|---|---|---|---|
Showing first 50 errors. more errors not shown.
more errors hidden. Download the full validation report to see all errors.
Validation Report Download
The download includes your original file with an added "Validation Error" column showing error messages for each row. Valid rows have an empty error column.
• credits
Use credits to download
Click any download button to use your credits
- Full CSV & Excel export
- Google Sheets export
- Instant browser download
for credits
One-time payment
256-bit SSL encryption
14-day money-back guarantee
PCI DSS compliant
Powered by Paddle
Want to save on credits?
Buy bundles and get up to 27% off. Perfect for recurring monthly conversions.
Liked the preview?
Upload your actual file to get the real conversion
Convert your Shift4Shop (formerly 3dcart) product catalog to Shopify CSV format with weight conversion, image handling, and price mapping.
Free preview — then from $5. Save with bundles.
Free preview before you pay
Files never leave your browser
No account needed to start
How Shift4Shop → Shopify Migration Works
1
Export from Shift4Shop
Admin → Products → Product List → Export / Import → Export Data
2
Upload and Configure
Upload Products Export CSV and choose Product Import format
3
Preview and Download
Review converted data, download Shopify-ready file
4
Import to Shopify
Products → Import
Every row and field is preserved in Shopify Products CSV format — ready to load into the target platform immediately.
Why Use Shift4Shop → Shopify Migration?
Sale Price Logic
Maps onsale/saleprice to Variant Price and Compare At Price.
Handle Generation
Creates URL-safe handles from Shift4Shop id or url fields.
Multi-Image Support
Maps image1-4 columns to Shopify Image Src (first image).
Status Conversion
Inverts hide flag to Shopify Published status.
Barcode Mapping
Maps GTIN, UPC, or EAN to Shopify Variant Barcode.
Shift4Shop → Shopify Migration Questions
Is 3dcart the same as Shift4Shop?
Yes, 3dcart was rebranded to Shift4Shop in 2020. This tool supports both legacy 3dcart exports and current Shift4Shop exports.
Can I migrate my orders and customer data?
Yes, you can migrate orders with status, dates, and products, plus customer information including emails, names, and addresses to your Shopify store.
How do I avoid SEO loss during migration?
Set up 301 redirects from your old product URLs to new Shopify pages. This preserves search rankings and prevents broken links for customers and search engines.
How People Use Shift4Shop → Shopify
We had been on 3dcart since before the Shift4Shop rebrand and the platform was showing its age. The product export had weight in pounds but Shopify needs grams — I learned that the hard way when my first direct import set a 2lb item as 2 grams and shipping quotes came back at $3 for a 40lb order. The converter handled the lbs-to-grams calculation and mapped our sale prices correctly. Imported 1,100 products and every weight and price was accurate.
The sale pricing logic was the tricky part of our Shift4Shop migration. We had hundreds of products with the onsale flag set and separate saleprice values. Shopify uses a completely different approach with Variant Price and Compare At Price. I tried mapping it manually in a spreadsheet and got the logic backwards on the first pass — sale prices showed as regular prices. The converter applied the correct logic automatically: saleprice became Variant Price and the original price became Compare At. Every strikethrough price displayed correctly in Shopify on day one.
My 3dcart store had four images per product and I was dreading the thought of re-uploading 1,600+ images manually into Shopify. The converter mapped image1 through image4 from the Shift4Shop export to Shopify image fields. The primary product images all came through on import. For a store my size, the entire platform switch — export, convert, import, and spot-check — took less than three hours. I had expected it to take a week.
Field Mapping
How Shift4Shop Products fields map to Shopify Products
| Shift4Shop Products | Source Value | Shopify Products | Target Value | Note | |
|---|---|---|---|---|---|
id |
SHIRT-BLU-M |
→ | Handle |
SHIRT-BLU-M
|
Generate from id/SKU |
name |
Blue Cotton T-Shirt |
→ | Title |
Blue Cotton T-Shirt
|
Product name |
description |
<p>Premium quality cotton t-shirt...</p> |
→ | Body (HTML) |
<p>Premium quality cotton t-shirt...</p>
|
Description |
manufacturer |
Nike |
→ | Vendor |
Nike
|
Brand |
price |
29.99 |
→ | Variant Price |
29.99
|
Price or sale price |
saleprice |
24.99 |
→ | Variant Price |
24.99
|
If on sale |
weight |
0.5 |
→ | Variant Grams |
250
|
Convert lbs to grams |
stock |
50 |
→ | Variant Inventory Qty |
50
|
Stock |
hide |
false |
→ | Published |
TRUE
|
Inverted visibility |
gtin |
00012345678905 |
→ | Variant Barcode |
00012345678905
|
GTIN/UPC/EAN |
Why Shift4Shop Products Don't Import Directly to Shopify
Weight Unit Mismatch
Shift4Shop exports weights in pounds. Shopify requires grams. Direct import causes shipping calculation errors or validation failures.
Field Name Differences
Shift4Shop uses id, name, price, stock. Shopify uses Handle, Title, Variant Price, Variant Inventory Qty. Column mismatches prevent successful import.
Sale Price Logic
Shift4Shop has onsale flag and saleprice column. Shopify uses Variant Price and Variant Compare At Price. Different pricing logic requires transformation.
What This Tool Does
We transform your Shift4Shop export - Handle generation from id/SKU, Weight conversion (lbs to grams × 453.592), Sale price mapping (saleprice to Price, price to Compare At), Hide status inversion (hide true/false to Published TRUE/FALSE), Image mapping (image1-4 to Image Src), GTIN/UPC/EAN to Barcode, Categories to Tags. Your Shopify import succeeds with proper data.
Secure Shift4Shop → Shopify Migration
Local Processing Engine
Your Shift4Shop → Shopify files stay on your device. Processing happens client-side, nothing leaves your machine.
Zero Server Storage
Your Shift4Shop → Shopify files are never cached, logged, or stored anywhere. Every session is ephemeral.
Privacy-First Architecture
Designed for data sovereignty. No third-party trackers or analytics touch your Shift4Shop → Shopify files.
Data Transformation
One Shift4Shop product row becomes one Shopify product row
Input
Shift4Shop Product Row
Single product row from Shift4Shop export
Key columns:
id,
name,
price
1:1 — One input row creates one output row
Output
Shopify Product Row
Shopify product format
Common Product Import Errors
Issues you might encounter when importing Products Export data to Product Import - and how we solve them
Sale Price Handling
Shift4Shop has separate onsale flag and saleprice
onsale=true, saleprice=19.99, price=29.99
Variant Price=19.99, Compare At=29.99
Tool maps based on onsale flag
No action needed; automatic
More credits - more savings
Buy bundles and get up to 60% off. Perfect for recurring monthly conversions.
Frequently Asked Questions
You can, but free scripts and AI often miss edge cases that break real-world data: missing SKUs, currency formatting quirks, tax calculation errors, or date format mismatches. We have battle-tested validators specifically designed for accounting software imports that catch these issues before they corrupt your books. Plus, you get instant browser-based conversion without installing Python or managing dependencies.
Yes, 3dcart was rebranded to Shift4Shop in 2020. This tool supports both legacy 3dcart exports and current Shift4Shop exports.
Shift4Shop options import is separate from products. This tool handles base product data. Options require separate setup in Shopify.
If onsale flag is true and saleprice exists, tool uses saleprice as Variant Price and price as Variant Compare At Price.
Tool uses image1 as main image. Additional images (image2-4) may require manual upload to Shopify after base import.
Shift4Shop categories and categoriesaliases convert to Shopify tags. You'll need to create collections manually.
Shift4Shop custom fields are not in standard export. Consider exporting separately and using Shopify metafields.
Yes, you can migrate orders with status, dates, and products, plus customer information including emails, names, and addresses to your Shopify store.
Set up 301 redirects from your old product URLs to new Shopify pages. This preserves search rankings and prevents broken links for customers and search engines.
3dcart doesn't export fulfillment status, so you'll need to manually mark orders as fulfilled, partial, or unfulfilled in Shopify after migration.
Yes, Shopify supports up to 99 variants per product and 3 attributes maximum, so products exceeding these limits may need adjustment.
Shift4Shop → Shopify Data Ecosystem
All available data flows from Shift4Shop to Shopify
Learn More:
🥦
Quick question before you go
Help us improve—what stopped you today?
🎉
Thank you!
Enter your email to claim your welcome bonus