imgproxy
9.3#1 in image compression softwareFree planFree planAndroidiOSWebAPI
Visit| Fact | imgproxy | pngcrush |
|---|---|---|
| Free plan | Yes | Yes |
| License | The imgproxy open-source version is licensed under the MIT license. | The maker says pngcrush is open source and may be used, modified, and redistributed without paying a fee; its license is equivalent but not identical to the libpng license. |
| Purpose | imgproxy is a standalone HTTP server that resizes, processes, optimizes, and converts images on demand from a source image URL and processing options. | pngcrush optimizes PNG files by trying compression levels and PNG filter methods to reduce the IDAT datastream size. |
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.