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 Dinky, which is both free and Open Source. Other great apps like pngcrush are ImageOptim, TinyFast, OptiImage and RasterFox.
PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop.
tinyPNG.App provides a GUI front end for tinyPNG for your local computer so you can optimize images using the tinyPNG API service. Available on Windows, macOS & Linux.
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...
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.
Russia
Switzerland