OpenImageIO vs Pillow
| OpenImageIO | Pillow | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Batch conversion | Yes | Yes |
| Image resizing | Yes | Yes |
| API access | Yes | Yes |
| Desktop application | No | — |
| Web application | No | — |
| Color mode conversion | — | Yes |
Both are listed in Best Image Converter Software. On The Geeks Club, Pillow scores higher on our published basis.