I left Shopify for OpenCart to eliminate monthly platform fees. My biggest worry was losing 480 products with accurate weights — Shopify stores grams, OpenCart uses kilograms. A 500g item importing as 500kg would destroy my shipping rates. The converter divided everything by 1,000 and mapped Variant SKU to OpenCart's model field. Imported on the first try.
Shopify to OpenCart Migration - Products Transfer
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OpenCart Products CSV Format
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Convert your Shopify product catalog to OpenCart CSV format with automatic weight conversion and field mapping for seamless migration.
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How Shopify → OpenCart Migration Works
1
Export from Shopify
Products → All Products → Export → Export CSV
2
Upload and Configure
Upload Products Export CSV and choose Products Import format
3
Preview and Download
Review converted data, download Opencart-ready file
4
Import to OpenCart
Extensions → Import/Export → Products → Import CSV
Every row and field is preserved in OpenCart Products CSV format — ready to load into the target platform immediately.
How People Use Shopify → OpenCart
Clients coming from Shopify always underestimate the field mapping gap. Shopify calls it Title, OpenCart calls it name. Shopify says Variant Price, OpenCart says price. I used to remap these columns by hand in a spreadsheet. Now I run the export through the converter and hand clients an OpenCart-ready CSV with correct column headers and weight units.
My client needed self-hosted control that Shopify couldn't offer and chose OpenCart. Their catalog had 1,200 products with Shopify's tag-based organization that needed to become OpenCart categories. The converter mapped the Type field to categories and preserved all image URLs. We set up the category tree in OpenCart first, then the import slotted products into the right places.
Shopify → OpenCart Migration Questions
Does OpenCart support native CSV import?
OpenCart core doesn't have native CSV product import. You'll need an extension like "Import/Export Pro" or "Advanced Order Export" to import the CSV.
Does migration affect my Shopify store?
No. The migration process exports data without affecting your current store. You can continue selling normally while migration happens.
Can I test the migration before going live?
Yes. Most migration services offer demo migrations where you can transfer up to 10 products and customers to test the process first.
Why Shopify Products Don't Import Directly to OpenCart
Field Name Differences
Shopify uses "Title", "Variant Price", "Variant Grams", "Variant SKU".
OpenCart uses "name", "price", "weight", "model".
Without field mapping, OpenCart import fails or creates incomplete products.
Weight Unit Conversion
Shopify exports weight in grams (integer).
OpenCart uses kilograms (decimal) by default.
Direct import creates shipping calculation errors (1000x weight factor).
Variant Structure Differences
Shopify exports multiple rows per product (one per variant).
OpenCart imports each row as a separate product.
Without proper handling, variants become duplicate products instead of options.
What This Tool Does
We transform your Shopify export:
- Fields: Shopify columns → OpenCart field names
- Weights: Grams → kilograms (÷ 1000)
- SKUs: Variant SKU → model field
- Categories: Type field → categories
- Status: Published TRUE/FALSE → status true/false
- Images: Full URLs preserved
OpenCart import succeeds with properly formatted data.
Secure Shopify → OpenCart Migration
Nothing Left Behind
Every row and every field preserved. No data dropped during migration.
Runs in Your Browser
All migration logic runs locally. Your data stays on your machine.
GDPR Compliant
Zero data retention. Full EU privacy compliance.
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One-time credit bundles are valid for one year. Subscription credits refresh monthly. You can use credits across any tool, anytime.
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Files process entirely in your browser. We're GDPR compliant with TLS encryption.
Can I get a refund?
Yes! Full refund within 14 days if no credits used. Partial refund for unused credits anytime. Contact sup@spreadsheetbroccoli.com.
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Field Mapping
How Shopify Products fields map to Opencart Products
| Shopify Products | Source Value | Opencart Products | Target Value | Note | |
|---|---|---|---|---|---|
Handle |
example-t-shirt |
→ | model |
example-t-shirt
|
Shopify Handle becomes OpenCart SKU/model |
Title |
Example T-Shirt |
→ | name |
Example T-Shirt
|
Product name |
Body (HTML) |
<p>This is a great t-shirt.</p> |
→ | description |
<p>This is a great t-shirt.</p>
|
Full product description (HTML supported) |
Vendor |
Acme Clothing |
→ | manufacturer |
Acme Clothing
|
Brand/manufacturer name |
Type |
T-Shirts |
→ | categories |
T-Shirts
|
Product type becomes category |
Tags |
cotton, summer, sale |
→ | tag |
cotton, summer, sale
|
Product tags |
Variant SKU |
EXTS-BLK-M |
→ | model |
EXTS-BLK-M
|
Variant SKU becomes model field |
Variant Price |
25.00 |
→ | price |
25.00
|
Product price |
Variant Inventory Qty |
25 |
→ | quantity |
25
|
Stock quantity |
Variant Grams |
200 |
→ | weight |
1.5
|
Converted from grams to kg |
Image Src |
https://cdn.shopify.com/... |
→ | image |
https://cdn.shopify.com/...
|
Product image URL |
Variant Barcode |
012345678901 |
→ | upc |
012345678901
|
Product barcode/UPC |
SEO Title |
Example T-Shirt | Acme Store |
→ | meta_title |
Example T-Shirt | Acme Store
|
SEO meta title |
SEO Description |
Shop the best t-shirts... |
→ | meta_description |
Shop the best t-shirts...
|
SEO meta description |
Published |
TRUE |
→ | status |
TRUE
|
Product visibility status |
Why Use Shopify → OpenCart Migration?
Field Mapping
Automatically maps Shopify fields to OpenCart import column names.
Weight Conversion
Converts Shopify grams to OpenCart kilograms (÷ 1000).
SKU Preservation
Maps Variant SKU to OpenCart model field maintaining product codes.
Category Mapping
Transforms Shopify Type field into OpenCart categories format.
Image URL Handling
Preserves image URLs from Shopify for OpenCart import.
Status Conversion
Converts Shopify Published boolean to OpenCart status format.
Data Transformation
Each Shopify variant row becomes one OpenCart product
Input
Shopify Product Variants
One row per variant
Key columns:
Handle,
Title,
Variant SKU,
Variant Price
1:1 — One input row creates one output row
Output
OpenCart Products
1 rows per
input
One row per product (variants become separate products)
Product Record
Each variant becomes independent product
model field must be unique
Common Products Import Errors
Issues you might encounter when importing Products Export data to Products Import - and how we solve them
Weight Unit Mismatch
Shopify uses grams, OpenCart typically uses kilograms
Weights automatically converted from grams to kg
All weights divided by 1000 during conversion
Multiple Variants Per Product
Shopify exports multiple rows for product variants. OpenCart imports as separate products
Each variant becomes a separate OpenCart product with unique model
Variants are preserved with distinct SKUs
Image URL Format
OpenCart may require relative paths, not full URLs
Tool preserves full URLs - adjust image paths in OpenCart after import
Upload images to OpenCart media library and update paths
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.
OpenCart core doesn't have native CSV product import. You'll need an extension like "Import/Export Pro" or "Advanced Order Export" to import the CSV.
Shopify exports one row per variant. Each variant becomes a separate OpenCart product. OpenCart variants/options require different setup using options system.
Tool preserves full image URLs from Shopify. You may need to adjust paths in OpenCart after import to match your media library structure.
Shopify grams are divided by 1000 to convert to kilograms (OpenCart default). Weight class ID is set to 1 (kg).
Shopify Type field maps to OpenCart categories. You'll need to ensure matching categories exist in OpenCart before import.
No. OpenCart generates its own URL structure. Plan to set up 301 redirects from old Shopify URLs to new OpenCart URLs.
No. The migration process exports data without affecting your current store. You can continue selling normally while migration happens.
Migration typically takes a few hours. The system can migrate around 2,000 simple products per hour under normal conditions.
Yes. Most migration services offer demo migrations where you can transfer up to 10 products and customers to test the process first.
You can migrate customer records, order history, order dates, order status, products, prices, discounts, taxes, shipping details, and order comments.
Shopify → Opencart Data Ecosystem
All available data flows from Shopify to Opencart
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