Yes, ImageEngine is free to use. It is available as a free plugin on WordPress.org.

How many websites use ImageEngine?

ImageEngine has 90 active installations as tracked by WordPress.org.

What are the best ImageEngine alternatives?

Popular alternatives to ImageEngine include Modern Image Formats, Perfect Images: Regenerate Thumbnails…, CompressX — AVIF & WebP Converter…. You can compare them side-by-side on our comparison pages.

Does ImageEngine work with the latest WordPress?

ImageEngine has been tested up to WordPress 6.8.5. It requires WordPress 5.3+ and PHP 7.4+.

PluginSift

ImageEngine – Optimize the Images on Your WordPress Site Like No Other Plugin

Name: ImageEngine – Optimize the Images on Your WordPress Site Like No Other Plugin
Rating: 5 (4 reviews)
Author: ImageEngine

Automatically optimize and serve WEBP, AVIF and JPEGXL with ImageEngine, the global Image CDN. 60 sec setup.

By ImageEngine·AVIF·Free

5(4 reviews)

·90 active installs·Updated 8 months ago

Download Compare

As of April 2026, ImageEngine is a WordPress AVIF plugin with 90 active installations and a 5/5 rating from 4 reviews. It has been downloaded 15K+ times in total. Requires WordPress 5.3+ and PHP 7.4+. Available on WordPress.org since 2020. Top alternative: Modern Image Formats.

5/54 reviews

90active installs

15K+total downloads

6 yearssince 2020

Overview

Welcome to ImageEngine, the ultimate image optimization plugin for WordPress. Our sophisticated tool goes beyond conventional optimization techniques to deliver unparalleled performance enhancements to your website. Utilizing proprietary device detection technology, ImageEngine ensures that every image is perfectly optimized for every device that visits your site and then delivers them via our global image content delivery network (CDN).

If you want to see the performance improvements for yourself before installing this plugin, you can test any website for free on our website. Like what you see? We also offer a 30-day trial to all new users.