How to Search Products by Custom Fields in WooCommerce

When customers search your store, they don’t always use product names or general descriptions. Sometimes they’re looking for very specific details—like a model number, compatibility note, or internal specification.

In many WooCommerce stores, that kind of information is stored in custom fields.

The problem? WooCommerce’s default search doesn’t take custom fields into account. Even if the data exists, it won’t help customers find the right product.

Why Custom Field Search Matters

Custom fields give you the flexibility to store additional product information that doesn’t fit neatly into categories, tags, or attributes.

This might include:

• Technical specifications (e.g., voltage, dimensions, materials)
• Internal identifiers like part numbers or supplier codes
• Compatibility details (e.g., “fits Model X”)
• Extra product metadata used for filtering or display

Because this data is often highly specific, it can be incredibly useful for search.

Custom field search is especially valuable for:

• Stores selling technical or specialized products
• Customers who already know exactly what they need
• Catalogs with detailed product specifications
• Businesses that rely on internal or manufacturer data

Without making this information searchable, you’re effectively hiding it from users.

Two Ways to Add Custom Field Search in WooCommerce

To make custom fields searchable, you’ll need to extend WooCommerce’s default search behavior. There are two common approaches to this: building a custom solution or using a dedicated product search plugin.

Adding Custom Field Support with Code

WooCommerce search can be expanded to include custom fields by modifying the underlying WordPress queries. This often involves working with post meta queries (meta_query) or filtering the search SQL directly.

With a custom implementation, you can:

• Match search terms against specific custom field values
• Combine custom field matches with titles, descriptions, and taxonomies
• Control how results are displayed

However, this approach requires considerable development experience, including:

• WordPress post meta queries and performance considerations
• Compatibility with your theme and other plugins
• Ongoing adjustments as your data structure evolves

For many store owners, this level of customization is too much to manage on their own.

Using a WooCommerce Search Plugin

A more accessible solution is to use a plugin designed to improve WooCommerce search.

Instead of modifying the default system, these plugins replace it with a more advanced search engine that can include custom fields as part of the search index.

With the right plugin, adding custom field search is quick and doesn’t require any coding.

For example, the Elevated Product Search for WooCommerce plugin lets you include custom fields in search by simply enabling that option:

A search for a custom field value will then return any products with that value:

The plugin also accounts for typos, misspellings, singular and plural variations, as well as related terms and synonyms.

You also get complete control over the appearance of the search results and product previews, along with a live preview of your latest design:

Bringing It All Together

Custom fields often contain some of the most detailed and valuable information in your WooCommerce store—but by default, that data isn’t searchable.

This can frustrate customers, especially when they’re searching for precise specifications or identifiers.

While it’s possible to extend search manually, most store owners will benefit from using a plugin. It simplifies setup, minimizes maintenance, and ensures custom fields are fully integrated into your search experience.

There are several plugins that support this functionality, but the best solutions treat custom fields as a natural part of product discovery—not just an optional add-on. Elevated Product Search for WooCommerce is a good example of this.

For other plugins, see Best WooCommerce Product Search Plugins.