How to quickly auto-assign categories to a large number of products?

Shopify Discussion
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Topic summary

A merchant needs to assign categories to numerous products for Google Merchant Center compliance.

Suggested Solutions:

  • Use Shopify’s automated collections with conditions to auto-assign products based on criteria
  • Ensure all products have “product type” values, which sync to Google Merchant Center
  • Use Google’s feed rules to map each product type to appropriate categories

Key Points:

  • Google Product Categories aren’t strictly required—Google auto-tags products by default
  • Manual assignment is recommended only when Google’s automatic categorization is inaccurate
  • For tag-based category mapping, third-party feed apps like Multi Feeds may be necessary

Status: The original poster received multiple approaches but hasn’t confirmed which solution they’ll implement. One participant is exploring the Multi Feeds app as a potential option.

Summarized with AI on October 25. AI used: claude-sonnet-4-5-20250929.
1

Hi guys,

I have a large number of products in my store that need categories assigning to them to make them compliant within my Google Merchant Centre.

Does anyone know the best and ideally fastest way to achieve this?

Thanks in advance.

2

Hi @Loz86

Dan from Ryviu: Product Reviews & QA.

You must add conditions when creating collections so products will automatically be assigned to a collection if they reach your conditions settings

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3

My recommendations is to ensure all your products have a product type values, because this value will be pushed to Google Merchant Center. Than using feed rules create a rule for each product type and assign a category: https://support.google.com/merchants/answer/7450276?hl=en-GB

However, plase note, it is not required to add Google Product Categories. But if you see that Google’s auto tagging is wrong, then it is best to self assign it.

4

Do you know if there’s a method to use tags from Shopify and a feed rule for the google product categories?

5

You can do that using a different data feed app such as multifeeds Multifeed Google Shopping Feed - Multi currency/language feeds for Google, Facebook, Bing &more | Shopify App Store

6

Thanks we’ll take a look at the App and see if that’ll work for this.