EWWW Image Optimizer vs Optimus
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | EWWW Image Optimizer v8.9.0 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details | Optimus v1.6.3 · checked 23 Oct 2026 Free + paid · ★ 4.2/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 30,000+ |
| Last updated | October 13, 2026 | March 2, 2026 |
| Editions | EWWW Image Optimizer · EWWW Image Optimizer Premium ($) | Optimus · Optimus HQ ($) · Optimus HQ PRO ($) |
| Pros | WebP conversion and bulk optimisation in the free version; Local server tools or cloud API optimisation; Works with NextGEN Gallery and Flagallery libraries | Automatic compression on upload; Bulk optimizer for the existing media library; Free version for small uploads |
| Cons | Higher optimisation levels need a paid API key; Some CDN and cloud features call the vendor's servers | Uploaded images are sent to the vendor's server; Free version has size limits; WebP and secure transport need Optimus HQ; Licence key checked with the vendor |
| Mentioned in our posts | 1 | 1 |
| More features | ||
| Other features | WebP conversion and quality settings, Bulk optimize admin page for the media library, Front-end rewrite to WebP files, NextGEN Gallery bulk optimize page, Flagallery bulk optimize page, Cloud optimisation levels unlocked by an API key ($) | Automatic compression of uploaded images, Bulk optimizer for the media library, WebP conversion ($), HTTPS transport to the optimization server ($) |
| Integrations | ||
| Analytics | EWWW usage stats (opt-in) | — |
| Plugins | NextGEN Gallery, Flagallery | — |
| Other | ExactDN image CDN (api.exactlywww.net) | Optimus API |
| Requires WordPress | 6.8 | 4.6 |
| Requires PHP | 7.4 | 5.6 |
| Tested up to | 7.1 | 6.9 |
| Phones home | Only if you agree | No |
| External services | api.exactlywww.net, stats.exactlywww.net | optimus.io, verify.optimus.io |