Image Optimizer Plugins

10 Best Free WordPress Image Optimizer Plugins ’24

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In the fast-paced digital world, website speed is a critical factor for user experience and search engine rankings. Images often contribute to the bulk of a website’s data, leading to slower loading times. To address this issue, WordPress users can turn to image optimizer plugins to compress and optimize their images without compromising quality. In this article, we’ll explore the top 10 free WordPress image optimizer plugins that can help enhance your website’s performance.

Best Free WordPress Image Optimizer Plugins

Smush – Compress, Optimize and Lazy Load Images:

One of the most popular image optimizer plugins, Smush, automatically compresses and optimizes images upon upload. It utilizes lossless compression to reduce file sizes without sacrificing image quality. Additionally, Smush offers a lazy loading feature, ensuring that images are only loaded as users scroll down the page, further improving loading times.

ShortPixel Image Optimizer:

ShortPixel Image Optimizer is a versatile plugin that supports various image formats, including JPEG, PNG, GIF, and PDF. It uses advanced algorithms to compress images effectively. The plugin also provides a bulk optimization feature, enabling users to optimize existing images in their media library. ShortPixel offers a generous free plan with a monthly quota for image optimizations.

Optimole – Image Optimization & Lazy Load:

Optimole combines image optimization with lazy loading to provide a comprehensive solution for improving website speed. This plugin dynamically resizes and compresses images based on the user’s device, ensuring optimal performance on both desktop and mobile. Optimole also offers a global content delivery network (CDN) for further speed enhancement.

EWWW Image Optimizer:

EWWW Image Optimizer is a powerful plugin that automatically optimizes images as they are uploaded to your WordPress site. It supports a wide range of file formats and provides options for both lossless and lossy compression. Additionally, EWWW Image Optimizer allows users to bulk optimize existing images in their media library, enhancing overall site performance.

Imagify – Optimize Images & Convert WebP:

Developed by the team behind WP Rocket, Imagify offers a user-friendly interface for image optimization. It allows users to choose between three levels of compression – normal, aggressive, and ultra. Furthermore, Imagify can convert images to the WebP format, which typically results in smaller file sizes without compromising quality.

WP SmushIt:

WP SmushIt is a straightforward and easy-to-use image optimizer plugin. It automatically compresses images on upload and has a bulk optimization feature for existing images. The plugin integrates with the API to ensure efficient image compression. WP SmushIt also provides the option to enable lazy loading for images.

Compress JPEG & PNG images by TinyPNG:

TinyPNG is renowned for its online image compression service, and their WordPress plugin brings the same functionality to your website. The plugin connects to the TinyPNG API to compress JPEG and PNG images. It supports bulk optimization and retains a backup of your original images for 30 days, allowing you to revert if needed.

Resize Image After Upload:

While not a traditional image optimizer, Resize Image After Upload is a handy plugin that automatically resizes images based on specified dimensions. By reducing the dimensions of images upon upload, you can effectively decrease file sizes and improve loading times. This plugin is especially useful for users who want a simple solution without extensive configuration options. Image Optimizer: is an image optimization plugin that uses the API to compress images. It supports various image formats and allows users to choose between lossless and lossy compression. With a simple and intuitive interface, makes it easy to optimize both new uploads and existing images in your media library.

Lazy Load by WP Rocket:

While not a dedicated image optimizer, Lazy Load by WP Rocket deserves mention for its effective lazy loading functionality. Lazy loading delays the loading of images until they are about to become visible to the user, reducing initial page load times. This plugin is a lightweight option for those primarily seeking lazy loading without additional image optimization features.


Incorporating a free WordPress image optimizer plugin is a practical and efficient way to boost your website’s performance. Whether you prioritize automatic compression, lazy loading, or a combination of both, the plugins mentioned above offer diverse solutions to cater to your specific needs. By optimizing your images, you not only improve page load times but also contribute to a better overall user experience, potentially leading to higher search engine rankings and increased user engagement. Consider trying out a few of these plugins to find the one that best aligns with your website’s requirements and enjoy a faster, more responsive WordPress site.

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