Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.

pngcrush is described as 'Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline' and is a Image Optimizer in the os & utilities category. There are more than 25 alternatives to pngcrush for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best pngcrush alternative is ImageOptim. It's not free, so if you're looking for a free alternative, you could try ImageOptim or TinyFast. Other great apps like pngcrush are RasterFox, RIOT - Radical Image Optimization Tool, TinyPNG and PNGGauntlet.
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.

Leanify is a lightweight lossless file minifier/optimizer. It removes unnecessary data (debug information, comments, metadata, etc.) and recompress the file to reduce file size. It will not reduce image quality at all.

Don’t spend another second worrying about compressing your images. Install Imgbot into your GitHub projects, and focus on your application.

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




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.



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

ToolsForImage is free and open-source platform for image compression, resizing, cropping, format conversion, rotation, watermarking, face blurring, and more.


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




A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Pichi for Mac is the best and quickest tool for optimizing and resizing your images individually or in batches.

Effortlessly compress your images without loss of quality. Aerate offers an industry leading default mode, as well as new fast and extreme presets. Switch between modes quickly using the new compression slider.



