| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 14 | 5 |
| Spec score · Image Compression Software | 8.0 (#41) | 8.7 (#10) |
| Batch processing | Yes | Yes |
| Compression | It offers lossless compression and a maximum compression option of up to 98% with lower image quality. | The homepage says Pixozip can compress images by up to 90% without visible quality loss. |
| Compression modes | both | both |
| Free plan | Yes | Yes |
| Integrations | OptiPic says its universal PHP plugin supports CMSs and frameworks including WordPress, Joomla, Bitrix, OpenCart, Drupal, Magento, PrestaShop, Laravel, and Yii. | The maker lists WordPress and OpenCart plugins, plus Node.js and PHP SDKs and a REST API. |
| Purpose | OptiPic automates website image optimization and compression to help improve site speed. | Pixozip provides an HTTP API and web dashboard for optimizing uploaded image files. |
| Image resizing | Yes | Yes |
| Support | OptiPic lists [email protected] as its support contact and offers free integration assistance. | The pricing page lists community support for Free, email support for Starter, priority support for Pro, and dedicated support for Scale. |
| Supported formats | JPG,PNG | JPG,JPEG,PNG,WebP,AVIF,JPEG XL,GIF,TIFF,SVG |