reSmush.it Image Optimizer vs WP Smush
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| Feature | reSmush.it Image Optimizer v1.0.6 · checked 23 Oct 2026 Free · ★ 4.3/5 Visit Details | WP Smush v4.3.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 100,000+ | 1M+ |
| Last updated | August 20, 2026 | October 20, 2026 |
| Editions | reSmush.it Image Optimizer | Smush · Smush Pro ($) |
| Pros | Free, with no paid edition; Optimises on upload and in bulk; Quality setting and EXIF removal option | Bulk and on-upload image compression at no cost; Lazy loading for images and embedded video; Works with common page builders, WooCommerce and caching plugins |
| Cons | Sends image files to an external service; API calls use plain HTTP and disable SSL host checks; Relies on a third-party service being available | WebP, AVIF, resizing and the image CDN need Smush Pro; Images are sent to the WPMU DEV API for compression |
| Mentioned in our posts | 1 | 3 |
| More features | ||
| Other features | Optimise images on upload, Bulk optimise from the Media Library, Image quality setting, Keep or remove EXIF data, Scheduled optimisation through cron, Optimisation status column in the Media Library, WP-CLI quality command | Bulk compression of the media library, Lazy loading for images and embedded video, WebP and AVIF conversion (Pro) ($) |
| Integrations | ||
| E-commerce | — | WooCommerce |
| Plugins | — | WP Rocket, Elementor, Divi, Gravity Forms |
| Other | reSmush.it optimisation API | WPMU DEV Smush API |
| Requires WordPress | 4.0.0 | 6.4 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | api.resmush.it | smushpro.wpmudev.com |
| Custom tables | — | 1 |