Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- npm
Russia

PNGOUTWin is described as 'You can use PNGOUTWin, an easy-to-use PNG optimizer, to create smaller image files and speed up your website, reach more potential customers, and decrease your bandwidth costs. You can convert and compress to PNG from TIFF, GIF, BMP, and other formats, or optimize your existing' and is a Image Converter in the photos & graphics category. There are more than 50 alternatives to PNGOUTWin for a variety of platforms, including Windows, Mac, Linux, Web-based and Flatpak apps. The best PNGOUTWin alternative is Dinky, which is both free and Open Source. Other great apps like PNGOUTWin are XnConvert, GetCompress, ImageOptim and TinyFast.

optimus.io offers lossless compression of images available with a WordPress plugin and via API.




Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.

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.

An image converter batch-processing multiple files. JPEG lossless transformations are implemented.




A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality.



Crunch - Insane(ly slow but wicked good) PNG image optimization. It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression algorithm encoding using embedded versions of the pngquant and zopflipng PNG optimization tools.



PictureBeaver is a WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities.

Squeezer is a PNG optimizer for Mac OSX that recompresses image files to a smaller size, without losing any information.

WinLep is a software that compresses JPG images to LEP saving 22%. WinLep compresses JPEG and decompresses LEP, moreover it can display JPEG and LEP compressed files.


