TinyPNG is online PNG images compressor which will compress your PNG image file size from 100 kbs  (Kilo Bytes) to 50kb and less based on the image resolution. Your images will remain the same without losing transparency.

Actually, the TinyPNG uses very great compression techniques while reducing the image file size of your PNG files. It decrease the number of colors in the image, fewer bytes are required to store the data. The effect that TinyPNG applies is nearly invisible but it puts a very large difference in the file size.

Compatibility: Displayed perfectly in all major browsers including mobile devices.

TinyPNG – Compress PNG images