PNGOutWin makes most image files smaller. You can create smaller image files and speed up your Web site, reach more potential customers, and decrease your bandwidth costs with PNGOutWin, an easy-to-use PNG image optimizer. You can convert and optimize to PNG from BMP, GIF, and other formats, or optimize your existing PNG files.
What's new in this version:
Version 188.8.131.52 has improved support for Windows 7 and updated compression engine.