Nicolas Juen

This plugin generate images with attributes for the responsive images in your content. 
Choose the breakpoints and the sizes associated. 
The next images you will insert and the elements generated with the wp_attachement functions will begenerated with the right attributes.
Contribute on https://github.com/Rahe/Simple-responsive-images 
Based on http://www.grahambird.co.uk/lab/doubletake/ for javascript

Simple Responsive Images

This plugin generate images with attributes for the responsive images in your content.

Artilab Company LTD

The Picture Tag plugin allows you to easily integrate responsive <code><picture></code> tags into your WordPress site. This plugin adds support for generating modern image formats like WebP and AVIF, improving performance and SEO.
Features: 
– A function for displaying images using the picture tag. 
– Support for WebP and AVIF formats. 
– Flexible settings for custom paths and image attributes. 
– A shortcode <code>[arti_picture]</code> for inserting responsive tags with customizable attributes.

Picture Tag

Generate responsive  tags with support for WebP and AVIF formats in WordPress.

Simple Responsive Images vs Picture Tag