Imsanity vs ShortPixel Image Optimizer
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Imsanity v2.9.4 · checked 23 Oct 2026 Free · ★ 4.9/5 Visit Details | ShortPixel Image Optimizer v6.6.1 · checked 23 Oct 2026 Free + paid · ★ 4.5/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 200,000+ | 300,000+ |
| Last updated | August 20, 2026 | October 14, 2026 |
| Editions | Imsanity | ShortPixel Image Optimizer |
| Pros | Resizes uploads automatically, with no action from the contributor; Separate size limits for Media Library and other uploads; Bulk resize and per-image resize from the Media Library | Compression, WebP and AVIF conversion; Bulk optimisation and resizing; Multisite support |
| Cons | Replaces the original, so the full-size file cannot be recovered; Uses the standard WordPress resize, so output is not heavily optimised; No paid edition; support is through the WordPress.org forum | Needs a ShortPixel account key; Optimisation uses a credit quota, paid above the free allowance; AI features have their own monthly quota |
| Mentioned in our posts | 1 | 1 |
| More features | ||
| Other features | Resizes oversized images at upload, before WordPress processes them, Separate maximum width and height for Media Library, other, and all uploads, JPG quality setting applied to resized images, Optional conversion of BMP files to JPG, Bulk resize of existing Media Library images, Resize or remove original from the Media Library list view | Image compression and conversion, Bulk optimisation, Custom optimisation page, Network settings for multisite, AI file renaming (monthly AI quota) ($), Buy more credits upsell ($) |
| Integrations | ||
| E-commerce | — | WooCommerce |
| Plugins | — | WPML, Gravity Forms, Yoast SEO |
| Other | — | ShortPixel API, Cloudflare API |
| Requires WordPress | 6.8 | 5.9.0 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | — | api.cloudflare.com, api.shortpixel.com |
| Custom tables | — | 4 |