# IOO vs Modern Image Formats

> IOO vs Modern Image Formats compared on installs, downloads, ratings, updates, compatibility and support. Modern Image Formats comes out ahead, winning 5 of 6 head-to-head checks against IOO.

**Modern Image Formats comes out ahead, winning 5 of 6 head-to-head checks against IOO.** Choose IOO if you care most about last updated. Choose Modern Image Formats if you care most about active installs, downloads (30 days) and download trend.

| | IOO – Image Offload & Optimize | Modern Image Formats |
|---|---|---|
| Active installs | <10 | 100K+ ✅ |
| Downloads (30 days) | 79 | 25K ✅ |
| Download trend | -64.7% | +11.4% ✅ |
| Rating | — | 3.5/5 |
| Reviews | 0 | 25 ✅ |
| Health score | 60/100 | 85/100 ✅ |
| Last updated | 1 month ago ✅ | 1 month ago |
| Tested up to | WP 7.1.3 | WP 7.1.3 |
| Support resolved | — | 100% |
| Requires PHP | 7.4+ | 7.4+ |
| First released | Aug 2026 | Apr 2023 |

## Frequently asked questions

### Which is better, IOO or Modern Image Formats?
Modern Image Formats comes out ahead, winning 5 of 6 head-to-head checks against IOO. Choose IOO if you care most about last updated. Choose Modern Image Formats if you care most about active installs, downloads (30 days) and download trend.

### Is IOO more popular than Modern Image Formats?
Modern Image Formats is the more popular of the two with 100K+ active installs, compared with <10 for IOO.

### Can I use IOO and Modern Image Formats together?
Both plugins cover AVIF and webp, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.

### Are IOO and Modern Image Formats free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/compare/ioo-image-offload-optimize-vs-webp-uploads/ · Generated 2026-10-08 13:10 UTC by PageForge