Milap

The Labelify AI Disclosure plugin provides a simple way for site owners to comply with emerging AI transparency regulations.
Key Features: 
* Seamlessly integrates with WordPress Post Editor. 
* Supports all public post types (Posts, Pages, Products, etc.). 
* Injects Schema.org metadata that search engines use to categorize AI content. 
* Simple drop-down selection for “AI-Generated” or “AI-Assisted” labels. 
* Lightweight and optimized for performance.

Labelify AI Disclosure

Easily label your Posts, Pages, and all Public Custom Post Types as AI-Generated or AI-Assisted to maintain transparency.

tpaksu

This plugin uses CSS technique to fix the png image transparency issue and jQuery to apply this script to all of png images shown in the page. 
This doesn’t work for positioned and tiled png background images. Maybe in next versions.

WP pngfix

Plugin that fixes the png image transparency issue on IE.

Labelify AI Disclosure vs WP pngfix