Plugin Directory

Image Optimizer PRO – Optimize Images, Convert AVIF & WebP

Image Optimizer PRO – Optimize Images, Convert AVIF & WebP


Image Optimizer Pro is your ultimate solution to optimize images efficiently. Designed for WordPress users, it automatically converts and serves images in AVIF or webp format where the browser supports, ensuring faster load times and enhanced user experience.

Key Features

  • On-the-fly Image Optimization: No need to manually convert each image. Image Optimizer Pro does it for you!

  • Serve in AVIF or WebP: Utilize the latest image formats for faster loading and better performance.

  • Global Network Distribution: Images are distributed on our extensive global network, ensuring they are served swiftly to your visitors, no matter where they are.

Documentation: https://docs.poweredcache.com/image-optimization/

Please note: This plugin requires an active license key for operation. Users can utilize their existing Powered Cache Premium license key or purchase a standalone license at Image Optimizer Pro Plans page.

Contributing & Bug Report

Bug reports and pull requests are welcome on Github.

If you like Image Optimizer PRO, then consider checking out our other projects:

  • Powered Cache – Caching and Optimization for WordPress – Easily Improve PageSpeed & Web Vitals Score
  • Magic Login Pro – Easy, secure, and passwordless authentication for WordPress.
  • Easy Text-to-Speech for WordPress – Transform your textual content into high-quality synthesized speech with Amazon Polly.
  • Handywriter – AI-powered writing assistant that can help you create content for your WordPress.
  • PaddlePress PRO – Paddle Plugin for WordPress
  • WP Accessibility Toolkit – A collection of tools to help you make your WordPress more accessible.

Privacy Policy and Third-Party Service Disclosure

Our plugin, Image Optimizer Pro, enhances website performance by optimizing and distributing images via a third-party service, Powered Cache.
This collaboration is essential for functionalities like on-the-fly image optimization and global network distribution.

In addition to optimizing images, our service includes verifying website addresses and license keys against our API endpoint. This verification is conducted to ensure that each website is eligible to use our services.

As part of these processes, standard visitor information, such as IP addresses, may be collected, and we ensure the protection of user privacy and data.

For detailed insights into how data is handled by Powered Cache, and to understand the terms under which the service operates, please review the following:
Privacy Policy
Terms of Service


  • Simple settings. Just activate your license, and you are good to go.


From within WordPress

  1. Visit ‘Plugins > Add New’
  2. Search for ‘Image Optimizer Pro’
  3. Activate Image Optimizer Pro and activate your license key.
  4. That’s it! Image Optimizer Pro will now automatically serve optimized images to your visitors.


  1. Upload the image-optimizer-pro directory to the /wp-content/plugins/ directory.
  2. Activate the plugin through the ‘Plugins’ menu in WordPress.
  3. Navigate to the settings page and activate your license.
  4. That’s it! Image Optimizer Pro will now automatically serve optimized images to your visitors.


Do I need to manually convert my existing images?

No, Image Optimizer Pro will automatically handle image conversion and distribution for you.

How do I obtain a license key for Image Optimizer Pro?

You can use your existing Powered Cache Premium license key. Alternatively, you can purchase a standalone license for Image Optimizer Pro at Image Optimizer Pro Plans.

Is there any additional cost for using the global network distribution?

No, the global network distribution is included in the plugin at no extra charge. You can see the list of locations here.

Is it compatible with WordPress multisite

Yes, it works with WordPress multisite, either as a network-activated plugin or on a per-site basis.

Is it compatible with PHP 8+

Yes, it’s compatible with PHP 8+


There are no reviews for this plugin.

Contributors & Developers

“Image Optimizer PRO – Optimize Images, Convert AVIF & WebP” is open source software. The following people have contributed to this plugin.



1.1 (2024-07-16)

  • [Added] Cache purge feature.
  • [Updated] Dependencies.
  • [Tested] Compatibility with WordPress 6.6.

1.0.1 (2024-01-02)

  • Added option to prefer WebP format over AVIF.

1.0 (2023-12-31)

  • Initial release