imgproxy
9.3#1 in image compression softwareFree planFree planAndroidiOSWebAPI
Visit| Fact | imgproxy | PNGOUT |
|---|---|---|
| Free plan | Yes | Yes |
| License | The imgproxy open-source version is licensed under the MIT license. | The command-line versions and Mac and Linux ports are free to use; bundling the executable in a commercial product requires contacting the maker’s business partner. |
| Purpose | imgproxy is a standalone HTTP server that resizes, processes, optimizes, and converts images on demand from a source image URL and processing options. | PNGOUT losslessly optimizes PNG files created by other programs. |
imgproxy suits teams that need to process and optimize images from varied storage sources in a self-hosted setup. Its deployment options and extensive transformation controls may fit web services with responsive-image needs.
You want what its maker publishes above — check its page for the details.