Apps similar to Oxipng include Caesium Image Compressor, which is free and open source. Other options are Dinky, XnConvert, GetCompress and ImageOptim. Image Optimizers like Oxipng are a crowded field, with more than 100 alternatives for Windows, Mac, the web, Linux and Android.
TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to optimize further, even if it uses a less efficient compression algorithm than others tools.
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...
Russia
Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and applying filters.
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.
Russia
FILEminimizer Pictures from balesio compresses digital images and photos with file size reductions by up to 98%. For example, a JPEG photo with a size of 5 MB can be reduced to only 0.08 MB. The software features an innovative image optimization technology: the powerful...
Germany
EU
With Image Optimizer you can losslessly optimize your PNG, JPEG and GIF files and thus save your bandwidth and your users' time! Kraken recompresses images with blazing speed and strips metadata with image quality intact.
A Sharper Scaling is a high quality image scaling technology mainly developed for upscaling.
Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.
