Custom Search Box is a WordPress plugin that allows site owners to add a customizable search field displaying only predefined backend search entries. Below are 8 other productivity apps with similar functionality to Custom Search Box, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
Search For Custom Fields is an open-source WordPress plugin that lets site owners create custom fields for posts and pages and enables visitors to search content based on these fields. It is no longer available for download as of June 2026.
Smart Search Control upgrades the default WordPress search by adding advanced filtering, WooCommerce product variation search, and support for custom post types. It offers unlimited search forms and Gutenberg integration for flexible placement.
Autocomplete Search is a free WordPress plugin that enhances site search with AJAX-powered autocomplete functionality. It supports posts, pages, WooCommerce products, and custom post types, making search faster and more user-friendly for site visitors.
Search Modal Block is a WordPress plugin that provides a modern, accessible search modal for sites using the block editor. It features customizable UI elements, ARIA labels, and keyboard navigation, enhancing the search experience for users and improving accessibility.
Extend Search Block is a WordPress plugin that enhances the default Search block by adding modifier fields, enabling users to filter search results by post type or taxonomy. It helps site owners and developers provide more precise search experiences.
SearchFilterSort is a WordPress plugin that provides AJAX-powered search, filtering, and sorting for posts, pages, WooCommerce products, and custom post types. It enhances user experience by delivering fast, accurate results and supports customizable layouts and mobile widgets.
BP Search Block is a WordPress plugin for BuddyPress that provides a search block, enabling users to search posts, activities, members, and groups within community sites. It integrates as a block or widget for easy placement. Note: This plugin has been permanently closed as of June 2026.
Search & Filter is a WordPress plugin that upgrades the default search functionality by allowing users to filter posts and pages by categories, tags, custom taxonomies, and fields. It supports AJAX for seamless results and flexible UI options.