Image Toolbox is a plugin that provides a range of useful tools for managing images in your templates.

Features

Automatic generation of avif and webP of the images, with fallback support for browsers that do not support these formats.
Automatic creation of placeholder images. The plugin outputs either the transformed image or a placeholder with dimensions based on the image transform, in case the image is missing.
Generation of responsive images with multiple variants, displayed on specific breakpoints using the picture HTML element. Compatibility with Imager-x plugin, as well as native Craft image transforms.
Image variants field, allowing administrators to configure image variants and breakpoints through the control panel (PRO edition).

Image toolbox