With the 3Dsellers Catalog, you can quickly import your existing eBay listings and publish them to Shopify in just a few clicks.
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The system automatically imports your listing data, organizes it into catalog products, and prepares everything for publishing to other channels.
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This guide will walk you through the simple process.

First, import your existing eBay listings into the 3Dsellers Catalog.

You can import one listing or multiple listings at once.

You can also import a single listing by clicking Import to Catalog inside the listing row.

Once selected, the import settings popup will open.

When importing listings, you can configure how products will be created and matched in the catalog.
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By default, 3Dsellers matches listings by SKU.

This means:

This allows you to manage multiple listings as one product inside the catalog.

For example:

All three listings will be connected to one catalog product.
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This helps keep your catalog organized and makes it easier to publish products to other channels.
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The system will import:

In most cases, you can simply click Import and let the system handle everything automatically.

After the import is completed, the products will appear in the Catalog Products page.

You will also see that each listing now has a Mapping Template associated with it.

This template defines how catalog data will be sent to other channels like Shopify.

When listings are imported:

However, it is recommended to quickly verify that the categories mapping are correct.
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You can check them here:
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Catalog → Products Settings → Category Mapping

Correct category mapping ensures your products will be publish in the correct Shopify category.

When importing listings, the system converts listing data into Catalog Product Properties.
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For example:

This allows the catalog to act as the central product database for all your channels.

Once your products are in the catalog, publishing them to Shopify takes only a few clicks.

You can publish:

To publish in bulk:

Then:

The system will now create the product in Shopify.

After clicking publish:

If everything is correct, the product will be successfully published. You will see both listings linked to the product - eBay and Shopify.

Each connected channel automatically gets a default mapping template created.
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Mapping templates control how catalog data is sent to the channel.

Example mappings:

For most users, the default template works automatically.

No setup is required.

If you want to send additional item specifics from eBay to Shopify, you can map them as Shopify metafields.
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Example: mapping the Card Slot item specific.

Steps:

Example mapping:

You can also set a fallback value to ensure a value is always sent if the attribute is empty.
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Example fallback:

This step is optional and only needed for advanced customization.

With the 3Dsellers Catalog, you can easily turn your eBay listings into Shopify products.

The process is simple:

The catalog automatically organizes your product data so you can sell across multiple channels with just a few clicks.

Looking to explore more features and guides about the Products Catalog?

👉 Browse the Products Catalog Help Center Collection

This collection includes step-by-step tutorials and best practices for managing your catalog, importing listings, publishing to channels, managing categories, inventory syncing, and more.