Best 100 WooCommerce Hooks and Filters for Online Stores

Would you like to learn more about WooCommerce hooks and filters? If you are looking for a complete guide, keep reading this article.

WooCommerce is highly flexible thanks to WordPress Hooks and filters, which allow developers to extend core functionality without touching the source code.

By adding custom code through custom actions or using apply_filters(, you can modify everything from post content on a single post to the way products appear on your store.

Since WooCommerce is built on the WordPress Core, it provides tons of hooks to customize checkout, product pages, or even the Login Page when handling incorrect credentials.

Whether you’re editing template actions, changing CSS classes, or adjusting text strings, hooks and filters make it possible.

In this guide, we’ll explore practical examples, from customizing the WooCommerce store as you need with minimal effort.

First, let’s see what is WooCommerce hooks and what are filters.

What Are WooCommerce Hooks

WooCommerce Hooks are predefined points in the WordPress Core that allow developers to add or modify functionality without touching the original source code.

They are essential for customizing WooCommerce stores because they let you extend features, insert custom actions, or change existing behavior safely. There are two main types of hooks.

Action hooks let you add new functionality, such as displaying custom messages on the login page, inserting promotional banners in the homepage content section, or adding extra product details to a single post.

Filter hooks, such as apply_filters( ‘ ), allow you to modify data before it is displayed. For example, you can change text strings, adjust column headings, or edit a product row in the WooCommerce Product Table.

Since WooCommerce includes tons of hooks, you can use them to customize nearly every part of the store. Developers often use them to control the product categories section, recent products section, featured products section, popular products section, or even the on sale products section.

Tools like Debug Bar and Query Monitor make it easier to discover hooks and troubleshoot conflicts.

In short, WooCommerce hooks allow you to add custom code and adjust functionality without altering the original plugin files.

What Are WooCommerce Filters

WooCommerce filters are a type of WordPress Hooks that allow developers to modify data before it is displayed on the front end without altering the original plugin or WordPress core.

Filters are essential when you want to adjust output, customize content, or change functionality using custom code safely.

The most common function used with filters is apply_filters( ‘ ), which lets you modify text strings, post content, or any other data returned by WooCommerce or WordPress core.

For example, you can change the messages on the login page when users enter incorrect credentials, adjust the output in product tables, or customize a single post layout.

Using filters ensures that your modifications do not break the original plugin, making updates and maintenance much easier. Developers can use tools like Debug Bar and Query Monitor to inspect which filters are applied and test customizations effectively.

WooCommerce provides tons of filter hooks, which give flexibility to modify almost every part of a store.

By leveraging filters, you can safely implement custom code that changes the way data is displayed, enhancing user experience while keeping the underlying system intact.

Why Use Hooks and Filters in WooCommerce

Hooks and filters are essential tools for customizing WooCommerce without modifying the core plugin files. They allow you to safely add, remove, or change functionality by using custom code.

With hooks, you can insert custom actions at specific points, such as displaying content on the homepage content section, product categories section, or checkout pages.

Filters let you modify data before it is displayed, like altering post content, text strings, or CSS classes.

By using WordPress hooks and apply_filters( ‘ ) effectively, developers can extend WooCommerce core features, maintain compatibility with future updates, and avoid conflicts with the original plugin.

Hooks and filters also help in debugging using tools like Debug Bar or Query Monitor, ensuring your customizations work smoothly without breaking the site.

Common WooCommerce Hooks and Filters

Hooks

1. woocommerce_before_main_content – Triggers before the main content of the page.
2. woocommerce_after_main_content – Fires after the main content of the page.
3. woocommerce_sidebar – Activates the sidebar on WooCommerce pages.
4. woocommerce_before_shop_loop – Runs before the product loop on shop pages.
5. woocommerce_after_shop_loop – Occurs after the product loop on shop pages.
6. woocommerce_before_single_product – Triggers before a single product is displayed.
7. woocommerce_after_single_product – Fires after a single product is displayed.
8. woocommerce_before_shop_loop_item – Occurs before each product in the loop.
9. woocommerce_after_shop_loop_item – Happens after each product in the loop.
10. woocommerce_before_shop_loop_item_title – Runs before the product title in the loop.
11. woocommerce_after_shop_loop_item_title – Occurs after the product title in the loop.
12. woocommerce_shop_loop_item_title – Fires the product title in the loop.
13. woocommerce_before_single_product_summary – Triggers before the summary on single product pages.
14. woocommerce_single_product_summary – Fires the main product summary content.
15. woocommerce_after_single_product_summary – Occurs after the summary on single product pages.
16. woocommerce_product_thumbnails – Displays product image thumbnails.
17. woocommerce_product_meta_start – Starts the product meta information.
18. woocommerce_product_meta_end – Ends the product meta information.
19. woocommerce_product_additional_information – Displays additional product information.
20. woocommerce_product_reviews – Shows product reviews.
21. woocommerce_before_checkout_form – Triggers before the checkout form.
22. woocommerce_checkout_before_customer_details – Occurs before customer details in checkout.
23. woocommerce_checkout_after_customer_details – Happens after customer details in checkout.
24. woocommerce_checkout_billing – Displays billing fields in checkout.
25. woocommerce_checkout_shipping – Shows shipping fields in checkout.
26. woocommerce_checkout_order_review – Displays order review in checkout.
27. woocommerce_checkout_after_order_review – Occurs after order review in checkout.
28. woocommerce_checkout_before_payment – Triggers before payment section in checkout.
29. woocommerce_checkout_after_payment – Happens after payment section in checkout.
30. woocommerce_review_order_before_submit – Occurs before the submit button in order review.
31. woocommerce_review_order_after_submit – Happens after the submit button in order review.
32. woocommerce_review_order_before_payment – Triggers before payment in order review.
33. woocommerce_review_order_after_payment – Occurs after payment in order review.
34. woocommerce_after_checkout_form – Fires after the checkout form.
35. woocommerce_cart_collaterals – Displays cart totals and related information.
36. woocommerce_cart_totals_before_shipping – Occurs before shipping totals in the cart.
37. woocommerce_cart_totals_after_shipping – Happens after shipping totals in the cart.
38. woocommerce_cart_totals_before_order_total – Triggers before the order total in the cart.
39. woocommerce_cart_totals_after_order_total – Occurs after the order total in the cart.
40. woocommerce_proceed_to_checkout – Displays the proceed to checkout button.
41. woocommerce_after_cart_totals – Fires after the cart totals section.
42. woocommerce_after_cart – Occurs after the cart content.
43. woocommerce_cart_is_empty – Triggers when the cart is empty.
44. woocommerce_cart_item_name – Displays the name of each cart item.
45. woocommerce_cart_item_price – Shows the price of each cart item.
46. woocommerce_cart_item_subtotal – Displays the subtotal of each cart item.
47. woocommerce_cart_item_remove_link – Provides the remove link for each cart item.
48. woocommerce_cart_item_thumbnail – Displays the thumbnail of each cart item.
49. woocommerce_cart_item_quantity – Shows the quantity of each cart item.
50. woocommerce_cart_item_meta – Displays metadata for each cart item.

Filters

1. woocommerce_product_get_price – Modify the price of a product before display.
2. woocommerce_product_get_regular_price – Change the regular price of a product.
3. woocommerce_product_get_sale_price – Modify the sale price for a product.
4. woocommerce_product_get_description – Filter the product description output.
5. woocommerce_product_get_short_description – Filter the product short description.
6. woocommerce_product_get_name – Change the product name before output.
7. woocommerce_product_get_sku – Modify the product SKU value.
8. woocommerce_product_get_image – Filter the product image HTML.
9. woocommerce_product_get_permalink – Change the product URL.
10. woocommerce_product_get_rating_html – Filter the HTML for product ratings.
11. woocommerce_cart_item_price – Modify the price display in cart.
12. woocommerce_cart_item_subtotal – Change the subtotal output for cart items.
13. woocommerce_cart_item_name – Filter the cart item name.
14. woocommerce_cart_item_permalink – Modify the link for a cart item.
15. woocommerce_cart_item_thumbnail – Filter the cart item thumbnail image.
16. woocommerce_cart_item_quantity – Modify the quantity HTML in cart.
17. woocommerce_checkout_fields – Filter checkout fields array.
18. woocommerce_billing_fields – Modify billing fields in checkout.
19. woocommerce_shipping_fields – Change shipping fields in checkout.
20. woocommerce_form_field_args – Filter arguments for form fields.
21. woocommerce_form_field – Modify the form field HTML.
22. woocommerce_available_payment_gateways – Filter available payment gateways.
23. woocommerce_coupon_is_valid – Modify coupon validity logic.
24. woocommerce_coupon_discount_amount – Change the discount amount calculation.
25. woocommerce_product_tabs – Filter tabs displayed on single product pages.
26. woocommerce_product_related_posts – Modify related product query.
27. woocommerce_output_related_products_args – Change arguments for related products display.
28. woocommerce_sale_flash – Filter sale flash HTML.
29. woocommerce_cart_item_visible – Modify visibility of cart items.
30. woocommerce_product_add_to_cart_text – Change the “Add to Cart” button text.
31. woocommerce_product_single_add_to_cart_text – Filter add to cart text on single product.
32. woocommerce_loop_add_to_cart_link – Modify the loop, add to cart button HTML.
33. woocommerce_cart_totals_order_total_html – Change order total HTML in cart.
34. woocommerce_get_availability – Modify product stock availability text.
35. woocommerce_get_availability_text – Filter availability text only.
36. woocommerce_package_rates – Modify shipping rates before checkout.
37. woocommerce_checkout_update_order_meta – Filter order meta on checkout.
38. woocommerce_order_get_items – Modify order items array.
39. woocommerce_order_get_item_total – Change item total for orders.
40. woocommerce_order_item_name – Filter order item name HTML.
41. woocommerce_product_get_rating_counts – Modify product rating counts.
42. woocommerce_product_get_review_count – Filter product review count.
43. woocommerce_product_get_average_rating – Change product average rating value.
44. woocommerce_get_price_html – Filter HTML of product prices.
45. woocommerce_get_sale_price_html – Filter sale price HTML output.
46. woocommerce_currency_symbol – Modify the currency symbol displayed.
47. woocommerce_cart_shipping_method_full_label – Filter shipping method label in cart.
48. woocommerce_cart_item_price_html – Change the HTML output of the cart item price.
49. woocommerce_checkout_update_user_meta – Filter user meta on checkout.
50. woocommerce_product_tabs – Filter tabs array on product page.

Best Practices While Dealing with Hooks and Filters

When working with WooCommerce hooks and filters, following best practices ensures your customizations are safe, maintainable, and compatible with future updates.

• Always use custom code in a child theme or a custom plugin to avoid losing changes during updates.
• Test hooks and filters on a staging site before applying them to the live store.
• Use descriptive function names for custom actions and filter callbacks.
• Avoid modifying WordPress core or original plugin files directly.
• Leverage apply_filters( ‘ ) properly to ensure data is returned without breaking functionality.
• Use Debug Bar and Query Monitor to identify active hooks and filters.
• Document all customizations for future reference or team members.
• Prioritize performance by limiting heavy operations inside hooks and filters.
• Check compatibility with other plugins to prevent conflicts.
• Regularly review and update your hooks and filters after WooCommerce or WordPress updates.

Frequently Asked Questions

Now, let’s take a look at some of the frequently asked questions and answers regarding this topic.

Conclusion

Mastering WordPress Hooks and filters gives you the flexibility to extend WooCommerce without altering the WordPress core.

Whether you’re adding custom actions, adjusting CSS classes, or fine-tuning the source code, there are tons of hooks available to streamline your store. Developers can use functions like apply_filters( ‘ ) to refine product displays, manage login behavior, or even handle Incorrect credentials on the login page.

Tools such as Debug Bar and Query Monitor make it easier to identify performance issues and test changes in real time. Instead of modifying an original plugin, you can inject changes safely, from adjusting a search box to tailoring quote content.

With hooks, WooCommerce customization becomes robust yet future-proof. So, we highly recommend giving it a try.

Do you know anything about hooks and filters that we may have missed in this post?

Let us know in the comments.