| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Android | Yes | — |
| API | — | Yes |
| Plans published | 1 | 5 |
| Spec score · Image Compression Software | 7.8 (#51) | 8.7 (#10) |
| Batch processing | Yes | Yes |
| Compression modes | both | both |
| Free plan | Yes | Yes |
| Maker | ImgKilo says it is built and maintained by Rajat Das, an independent software developer, and is not a company product. | The privacy policy identifies the controller as Roman Klymenko, Creative company ARTEX group, registered in Radom, Poland. |
| Metadata controls | Yes | Yes |
| Image resizing | Yes | Yes |
| Support | The maker lists [email protected] for questions, bug reports, and feedback, and says messages are read by the person who builds ImgKilo. | 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,WebP,GIF,AVIF,HEIC,SVG | JPG,JPEG,PNG,WebP,AVIF,JPEG XL,GIF,TIFF,SVG |