Description
WYSIWYG Character Limit for ACF allows you to set a maximum character limit for ACF WYSIWYG fields. The plugin provides:
✅ Global Character Limit – Set a site-wide limit for all WYSIWYG fields.
✅ Per-Field Limits – Override global limits with custom values inside ACF field settings.
✅ Live Character Counter – Displays real-time character count below the editor.
✅ TinyMCE & Text Mode Support – Works in both visual (TinyMCE) and text (HTML) mode.
✅ Validation & Warnings – Prevents saving content that exceeds the limit.
💡 Ideal for websites needing strict content limits, like news sites, SEO-focused blogs, and structured content formats.
License
This plugin is released under the GPL v2 or later. You are free to modify and distribute it.
Screenshots
Global Settings – Set a global character limit in plugin settings. 
Field Settings – Define custom character limits inside ACF field options. 
WYSIWYG Editor Counter – Displays real-time character count under the editor. 
Exceeded Limit Warning – Counter turns red when the limit is exceeded. 
Installation
- Upload the plugin folder to
/wp-content/plugins/wysiwyg-character-limit-for-acf/ - Activate the plugin via the Plugins menu in WordPress.
- Go to Settings > ACF WYSIWYG Limit to set a global limit (optional).
- To apply per-field limits, edit any ACF WYSIWYG field and set a Character Limit value.
FAQ
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Does this work with ACF Pro?
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Yes, the plugin is fully compatible with ACF Free & ACF Pro.
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Does this work with Flexible Content and Repeater fields?
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Yes, you can apply character limits inside Repeater, Flexible Content, and Group fields.
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Can I use this for Word Count instead?
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Currently, the plugin only supports character count. A future update may add word count support.
Reviews
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Contributors & Developers
“WYSIWYG Character Limit for ACF” is open source software. The following people have contributed to this plugin.
Contributors
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
2.0.1
- Fixed character counting in nested fields
- Improved performance for large content
- Added support for custom TinyMCE configurations
2.0
- Added support for WordPress 6.8
- Improved character counting accuracy
- Enhanced validation messages
- Fixed compatibility issues with ACF Pro 6.0+
1.0.0
- Initial release
- Global and per-field character limits
- Live character counter below WYSIWYG editor
- Works in both TinyMCE and Text Mode