pngquant is described as 'Command-line utility and a library for lossy compression of PNG images' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to pngquant for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best pngquant alternative is File Converter, which is both free and Open Source. Other great apps like pngquant are ImageMagick, Caesium Image Compressor, XnConvert and ImageOptim.
OptiPNG is a command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.
ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server...
Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
YOGA Image Optimizer is a free tool to convert and optimize JPEGs, PNGs and WebP image files. Simply Drag & drop images, click on “Optimize”, and you're done!
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.
Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .
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...
Phatch is an user friendly, cross-platform Photo Batch Processor and Exif Renamer with a nice graphical user interface. Phatch handles all popular image formats and can duplicate (sub)folder hierarchies.
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
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