| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 0 | 5 |
| Spec score · Image Compression Software | 7.5 (#64) | 8.7 (#10) |
| API access | Yes | Yes |
| Batch processing | Yes | Yes |
| Compression | It offers optimization levels 0 through 6 and a max preset; higher levels can improve compression but take longer, with diminishing returns. | The homepage says Pixozip can compress images by up to 90% without visible quality loss. |
| Compression modes | both | both |
| Integrations | The README provides a pre-commit hook configuration for running Oxipng on a Git repository. | The maker lists WordPress and OpenCart plugins, plus Node.js and PHP SDKs and a REST API. |
| Metadata controls | Yes | Yes |
| Purpose | Oxipng is a multithreaded PNG optimizer written in Rust. | Pixozip provides an HTTP API and web dashboard for optimizing uploaded image files. |
| Supported formats | PNG,APNG | JPG,JPEG,PNG,WebP,AVIF,JPEG XL,GIF,TIFF,SVG |