reSmush.it is the FREE image compressor and optimizer plugin - use it to optimize your images and improve the SEO and performance of your website.
As of April 2026, reSmush.it is a WordPress image plugin with 100K+ active installations and a 4.3/5 rating from 158 reviews. It has been downloaded 3.4M+ times in total. Requires WordPress 4.0.0+ and PHP 7.4+. Available on WordPress.org since 2016. Downloads are up 44% this week. Top alternative: Firelight Lightbox.
The reSmush.it Image Optimizer is a free WordPress image compressor and optimizer plugin which allows you to smush your website’s images so that they load faster.
The plugin is super easy to use (just 2 clicks!), supports JPG, PNG and GIF image formats and can be used to bulk optimize current (past) images and automatically optimize all new images.
You can also adjust the optimization levels and exclude certain images.
Since its launch more than 9 years ago, reSmush.it has become the preferred choice for WordPress image optimization as it allows you to smush the images for free.
reSmush.it image optimization service works on various CMS platforms (WordPress, Drupal, Joomla, Magento, Prestashop, etc.) and is used by more than 400,000 websites worldwide.
reSmush.it has earned the repu…
super
Install and go, super fast and simple to use. Smushed the hell outta me.
Muy útil. Gracias
Es una muy buena herramienta para eficientizar carga en el servidor y ligereza en los sitios para el visitante. Muchas gracias.
Thanks reSmush.it. You did the job perfectly and quickly. thanks
| WordPress | 4.0.0+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
Release date September 23, 2024
* Tweak: After changing the optimization level, the plugin no longer suggests to re-optimize the entire Media Library;
* Fix: The backup files are correctly removed after restore in all situations;
* Fix: The exclusion check is hidden if the image is already optimized;
* Fix: More links without the correct namespace can now be translated;
* Fix: The texts in the settings have been improved;
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.