| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| macOS | — | Yes |
| API | Yes | — |
| Plans published | 5 | 3 |
| Spec score · Image Compression Software | 8.7 (#10) | 7.3 (#73) |
| Batch processing | Yes | It can process multiple images at once, including batches of hundreds of files. |
| Formats | The API accepts JPEG, PNG, WebP, AVIF, GIF, TIFF, JXL, and SVG; GIF and TIFF convert to PNG, while SVG stays SVG. | The maker says Squash can convert iPhone HEIC images to JPG, TIFF, PNG, WebP, or AVIF. |
| Free plan | Yes | Yes |
| Headquarters | Radom, Poland | United Kingdom |
| Metadata controls | Yes | Yes |
| Purpose | Pixozip provides an HTTP API and web dashboard for optimizing uploaded image files. | Squash 3 batch converts, resizes, compresses, watermarks, filters, renames, and edits image metadata. |
| Image resizing | Yes | Yes |
| Support | The pricing page lists community support for Free, email support for Starter, priority support for Pro, and dedicated support for Scale. | The purchase page lists first-class support and links to a support page and contact us. |
| Supported formats | JPG,JPEG,PNG,WebP,AVIF,JPEG XL,GIF,TIFF,SVG | HEIC,JPG,TIFF,PNG,WebP,AVIF |