Caesium Image Compressor vs Fastly Image Optimizer
| Caesium Image Compressor | Fastly Image Optimizer | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $0.01/mo |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux | api, Linux, Web |
| Free plan | Yes | — |
| Compression modes | both | — |
| Batch processing | Yes | — |
| Image resizing | Yes | — |
| Supported formats | JPG, PNG, WebP, TIFF | — |
| Metadata controls | Yes | — |
Both are listed in Best Image Compression Software. On Everything Xiaomi, Fastly Image Optimizer scores higher on our published basis.