pngquant is a command-line utility and a library for lossy compression of PNG images.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
There are many alternatives to JPEG Reducer for Windows if you are looking for a replacement. The best Windows alternative is pngquant, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to JPEG Reducer and 13 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to JPEG Reducer are Pingo - image optimizer for web, JPEGmini, Minuimus and E-mage.
pngquant is a command-line utility and a library for lossy compression of PNG images.
Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.

JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The technology works in the domain of baseline JPEG, resulting in files that are fully compatible with any browser, photo...
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.


jStrip is a free tool to reduce the file size of JPEG images without sacrificing image quality. High-traffic websites with many JPEG images can benefit from decreased bandwidth costs. Less hard disk space will be used by image collectors.


With JPEG Resampler you are able to change the resolution and size of JPEG images of a directory in one go and move them into another folder.

Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.



