Plinth Custom Fields is a WordPress plugin designed to enable the creation and management of custom field groups without requiring any additional plugins. It addresses the need for flexible content management by allowing users to attach custom fields to post types, page templates, specific pages, or post statuses. The tool offers 12 different field types, including text, textarea, number, email, URL, image, select, radio, checkbox, true/false, WYSIWYG editor, and repeater fields. Repeater fields support drag-to-reorder rows and can include nested sub-fields, providing advanced structuring options for complex data. The plugin incorporates location rules with AND/OR logic, which control where field groups appear within the WordPress environment, ensuring fields are only displayed where needed. For portability and configuration management, Plinth Custom Fields supports importing and exporting field groups as JSON files, making it easier to move setups between different WordPress sites. Theme developers are supported through a set of template functions, such as plinth_get_field(), plinth_the_field(), plinth_get_image(), plinth_get_rows(), plinth_have_rows(), plinth_the_row(), plinth_get_sub_field(), and plinth_the_sub_field(), which facilitate integration of custom field data into WordPress themes. All data created with the plugin is stored in the standard wp_postmeta table, with a _plinth_ prefix to maintain separation from other metadata. The plugin is self-contained and does not depend on third-party plugins. The evidence does not provide information about pricing or licensing. Plinth Custom Fields is positioned as a custom fields manager for WordPress, suitable for site builders and developers seeking to extend content management capabilities within the WordPress platform.
In the Developer Tools space, Plinth Custom Fields takes a focused approach. It focuses on adding and managing custom fields on WordPress sites without third-party dependencies. It is built as a B2B product for wordPress developers and site builders. Plinth Custom Fields costs nothing to use. The product ships for the web.
Behind Plinth Custom Fields is Shobhit Verma, and the product first shipped in 2026. PulseGate's similarity index finds few close equivalents — Plinth Custom Fields occupies a relatively distinct niche. Key capabilities include custom field groups, repeater fields, and location rules. The interface is available in English and Dutch.
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