| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | — | Yes |
| API | Yes | — |
| Plans published | 5 | 1 |
| Spec score · Image Compression Software | 8.7 (#10) | 7.6 (#63) |
| API access | Yes | No |
| Batch processing | Yes | Yes |
| Compression modes | both | lossy |
| Free plan | Yes | Yes |
| Integrations | The maker lists WordPress and OpenCart plugins, plus Node.js and PHP SDKs and a REST API. | The repository describes Pngyu as a front-end GUI application for pngquant. |
| Purpose | Pixozip provides an HTTP API and web dashboard for optimizing uploaded image files. | Pngyu is a PNG image compression tool for batch compressing multiple PNG files. |
| Support | The pricing page lists community support for Free, email support for Starter, priority support for Pro, and dedicated support for Scale. | Bug reports, feedback, and feature requests are accepted through GitHub Issues, Twitter, and email. |
| Supported formats | JPG,JPEG,PNG,WebP,AVIF,JPEG XL,GIF,TIFF,SVG | PNG |