Weight Conversion
Converts Shift4Shop pounds to Shopify grams (× 453.592).
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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.Admin → Products → Product List → Export / Import → Export Data
Upload Products Export CSV and choose Product Import format
Review converted data, download Shopify-ready file
Products → Import
Every row and field is preserved in Shopify Products CSV format — ready to load into the target platform immediately.
Converts Shift4Shop pounds to Shopify grams (× 453.592).
Maps onsale/saleprice to Variant Price and Compare At Price.
Creates URL-safe handles from Shift4Shop id or url fields.
Maps image1-4 columns to Shopify Image Src (first image).
Inverts hide flag to Shopify Published status.
Maps GTIN, UPC, or EAN to Shopify Variant Barcode.
Yes, 3dcart was rebranded to Shift4Shop in 2020. This tool supports both legacy 3dcart exports and current Shift4Shop exports.
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.
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 |
Your Shift4Shop → Shopify files stay on your device. Processing happens client-side, nothing leaves your machine.
Your Shift4Shop → Shopify files are never cached, logged, or stored anywhere. Every session is ephemeral.
Designed for data sovereignty. No third-party trackers or analytics touch your Shift4Shop → Shopify files.
One Shift4Shop product row becomes one Shopify product row
Single product row from Shift4Shop export
id,
name,
price
Shopify product format
Issues you might encounter when importing Products Export data to Product Import - and how we solve them
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
Buy bundles and get up to 60% off. Perfect for recurring monthly conversions.
All available data flows from Shift4Shop to Shopify
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