What is ACF Extended plugin?
ACF Extended (Advanced Custom Fields Extended) is a free plugin that extends Advanced Custom Fields (ACF) with dozens of additional field types, modules, and UI improvements that the ACF core and ACF Pro do not include. It is developed independently by the ACF community and adds capabilities that users have long requested from ACF itself, including a Flexible Content clone field, a more powerful Repeater field with sortable columns, an AJAX-based relationship field for large datasets, and improved field group management tools.
Notable ACF Extended additions include: the ACF Flexible Content Enhancer (adding layouts manager, preview, and template system to ACF Flexible Content), the Dynamic Preview for Blocks (live preview of ACF blocks in the Gutenberg editor), the Forms module (frontend ACF forms with complete CRUD operations without coding), and a Settings module for improved field group organization. These additions make complex ACF implementations significantly more manageable without requiring custom development.
ACF Extended is specifically for sites already using ACF (free or Pro). It has 200,000+ active installations and a strong developer following. The plugin is completely free, maintained voluntarily, and has become an essential companion for power users building complex ACF-driven WordPress sites. No premium tier exists — all features are available at no cost.
Need Help With ACF Extended Setup, Troubleshooting, or Customization?
Need help with ACF Extended? Whether you are dealing with errors, broken functionality, styling problems, plugin conflicts, or advanced customization, we can help you fix the issue and get the plugin working properly on your WordPress site.
Get ACF Extended Expert HelpKey Features
- Additional ACF field types: oEmbed, reCaptcha, Button Group, Code Editor, Color Picker (enhanced), Crypto, Google Maps (enhanced), Icon Picker, Range Slider, WYSIWYG (enhanced)
- Flexible Content Enhancer: layouts manager, layout preview, model system
- ACF Blocks Enhancer: real-time dynamic preview in Gutenberg
- Dynamic Forms module: frontend CRUD forms with ACF fields
- Settings module: better field group organization and search
Pros & Cons
Pros
- Completely free with no premium tier — exceptional value for ACF power users
- Flexible Content Enhancer alone justifies installation for any site using ACF Flexible Content
- Dynamic block preview improves the Gutenberg editing experience for ACF block users
Cons
- Dependent on ACF core — must use alongside Advanced Custom Fields
- Adds complexity to the ACF setup — more modules to configure
Free vs Premium
Completely free. No paid version.
Common Problems & Fixes
ACF Extended's Flexible Content Enhancer is causing the admin to load slowly when editing posts with many flexible content layouts. How do I improve performance?
The Flexible Content Enhancer adds JavaScript-based layout management. For complex posts with many layouts: (1) limit the maximum number of layouts per flexible content field in the field settings; (2) disable unused ACF Extended modules in ACF Extended → Modules Settings — only enable the modules actively used on your site; (3) the layout preview feature can be slow for layouts with many sub-fields — consider disabling layout preview for very large field configurations; (4) ensure the site’s server has adequate PHP memory for complex ACF data structures.
The ACF Extended Forms module is not saving submitted data correctly — form submissions complete but the post is not updated. How do I debug form submission?
ACF Extended Forms requires careful configuration of the target post, permitted fields, and validation rules. Check: (1) the Form’s target post is correctly configured (post ID or query parameter); (2) the form’s allowed fields list includes all fields being submitted; (3) the user has permission to edit the target post (check user role and ACF Extended’s permission settings); (4) enable ACF Extended’s debug mode to see detailed form processing output; (5) verify nonce validation is not failing due to caching (cached pages with stale nonces cause form submission failures).
ACF Extended block preview is not working in Gutenberg — selecting a block shows no preview in the editor. How do I enable the dynamic preview?
ACF Extended block preview requires: (1) the block is registered using ACF’s acf_register_block_type() function with the “render_template” parameter set; (2) the ACF Extended “Blocks” module is enabled in ACF Extended settings; (3) the block’s render template outputs HTML correctly — preview makes a server-side call to render the template; (4) verify AJAX requests from the Gutenberg editor to the block render endpoint are not blocked by a security plugin; (5) check browser Console for AJAX errors when the preview fails to load.
Customization & Developer Notes
How do I use ACF Extended's Post Type UI to create a custom post type within ACF's admin interface?
With ACF Extended active, go to ACF → Post Types (appears as a submenu when ACF Extended is active). Click Add New. Configure: Post Type Name (plural and singular), Slug, Supports (title, editor, thumbnail, etc.), Menu icon, and public/private settings. The Post Type is registered immediately without code. This replaces the need for a separate CPT UI plugin for sites already using ACF. Field groups can then be assigned to this new post type in ACF’s standard field group settings.
How do I create a frontend form to allow registered users to submit content using ACF Extended?
Enable the ACF Extended Forms module in ACF Extended → Modules Settings. In ACF → Forms → Add New, configure: the target post type (creates a new post or updates an existing one), which ACF fields appear in the form, validation rules, success/redirect behavior, and user permission requirements. Place the form on any page using the shortcode [acfe_form name=”form-name”]. Registered users visiting that page see the form and can submit content that creates or updates posts through ACF — no PHP coding required.
Frequently Asked Questions
Do I need ACF Pro or just ACF Free for ACF Extended?
ACF Extended works with both ACF Free and ACF Pro. Most ACF Extended features are compatible with ACF Free. Some ACF Extended features enhance ACF Pro-specific capabilities (like Flexible Content, which is an ACF Pro field) — if you are using ACF Free, those enhancements do not apply. For most ACF Extended features (additional field types, Forms module, Post Type UI), ACF Free is sufficient. Only install ACF Pro if you specifically need ACF Pro’s native features (Flexible Content, Options Pages, Gutenberg Blocks).
Is ACF Extended maintained and safe to use on production sites?
Yes — ACF Extended has 200,000+ active installations, a 4.9-star rating on WordPress.org, and an active development team. It is widely used in production environments by professional developers and agencies. The plugin undergoes regular updates for WordPress and ACF compatibility. Like any community-maintained plugin, verify the last update date before installing on critical production sites and test on a staging environment first.
Can ACF Extended break after updates?
Yes, that can happen, especially on older sites with many plugins. This usually happens when the plugin, theme, and add-ons are updated out of sequence. In most cases, testing on staging catches the issue before it reaches the live site. From experience, backups and changelog reviews save a lot of cleanup time.
What should I check before installing ACF Extended?
Start by checking whether another plugin already does the same job. In most cases, overlap is what creates avoidable conflicts and performance issues. A common issue is installing a plugin because it looks convenient without checking the stack first. From experience, a short compatibility review avoids most of the pain later.