| Price from | $49/mo | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| API | Yes | — |
| Plans published | 4 | 0 |
| Spec score · Image Compression Software | 8.9 (#6) | 6.9 (#85) |
| Automation | Folder monitoring automatically compresses files added to watched folders, and a floating Drop Zone accepts files for compression. | The --check option writes nothing and exits with code 1 if any file could shrink, enabling CI checks. |
| Formats | It supports MP4, MOV and other major video codecs; PNG, JPEG, HEIC, WebP, TIFF and GIF images; and standard PDFs. | It searches directories recursively for PNG, APNG, JPEG, GIF, WebP and SVG files, with extensions in either case. |
| Maker | The site footer credits Dinh Quang Hieu; the pages opened did not state a headquarters or founding year. | The GitHub profile identifies the maker as Kamil Doroszewicz and lists Poland as the location. |
| Product | Compresto is a native macOS app for batch compressing videos, images, PDFs, and GIFs offline. | losslessly is a command-line tool that recompresses PNG, JPEG, GIF and WebP files and minifies SVG markup. |
