Compress Multiple PNG Images at Once with Free PNG Compression Software
No matter what kind of image formats you prefer, compressing the size of images is a must in certain situations like freeing up disk space or displaying images online. If you often use or produce images in png formats, PNGGauntlet is both a free png compressor and png converter that lets you compress multiple png images and convert JPG, GIF, TGA, PCX, and BMP files to PNG.
Being built with simplicity in mind, this software is easy to use. The basic things you need to do is adding all the png image files that you want to compress and then start the compression. You can also take advantage of the available options like selecting the compression level. Each of the png images you add into the list will be compressed one by one automatically based on your preferences once you start the compression.
Read also: Reduce PNG and JPEG Size
PNGGauntlet is a freeware designed for Windows, but you need to install .NET Framework 2.0 prior to installing the software.