Ultimate Extension for ACF enhances your Advanced Custom Fields (ACF) Flexible Content editing experience with powerful image preview functionality and performance optimizations.
Key Features
- Image Previews: Add preview images to ACF flexible content layouts for better visual management
- Multisite Support: Automatic fallback to main site images in multisite setups
- Performance Optimised: Caching and optimised database queries for faster loading
- ACF Compatibility: Works with both legacy (v5.6-v6.4.x) and current (v6.5+) ACF versions
- Admin Interface: Easy-to-use settings page for managing preview images
- Accordion Behaviour: Only one layout open at a time for better UX
- Translation Ready: Full internationalisation support with .pot file included
How It Works
- Install and activate the plugin
- Go to ACF Field Groups Image Preview Settings
- Upload preview images for your flexible content layouts
- Enjoy enhanced visual management of your ACF flexible content
Multisite Support
The plugin automatically handles multisite setups:
– Uses site-specific preview images when available
– Falls back to main site images when subsite doesn』t have specific previews
– Correctly generates image URLs across different sites
– Properly handles file paths in multisite environments
Security
This plugin follows WordPress security best practices and implements industry-standard security measures to protect your installation.
Requirements
- WordPress 5.0 or higher
- PHP 7.4 or higher
- Advanced Custom Fields (ACF) v5.6+ or v6.5+
Security Reporting
If you discover a security vulnerability, please report it responsibly through our secure contact channels.
Contact: Ultimate Agency – Security Team
Support
For support, feature requests, or bug reports:
- Website: Ultimate Agency
- Contact: Contact Form
Credits
Developed by Miro Sedlacek – Ultimate Agency
License
This plugin is licensed under the GPLv2+ (GPL version 2 or later). See LICENSE.md for details.






