Most efficient PNG compressor.
Advanced quantization algorithm generates high-quality images that load up to 4 times faster.
You can make pngquant deeply integrated with your app, speeding up image transfers and reducing storage space.
It's available as a native library with no external dependencies. It has an API for C/ObjC/C++/C# and any language that can call native code. Comes with dedicated object-oriented libraries for Java and Rust. Works on iOS.
Images from pngquant are fully standards-compliant and work everywhere, so your users can save, edit and share images without installing any codecs.
The license includes technical support straight from the library's author.