Unbelievable Image Optimizer compresses jpg again up to 4-7 times (or even higher), with no visible or almost invisible quality loss.
♥ Maintains jpg compatibility and the use of images is not affected. The image resolution is unchanged. For Windows.
♥ Version 3.0 supports transparent png. PNG can be significantly compressed to png again.
♥ Images can be compressed to jpg2000 image, the compression ratio can be higher than jpg optimization.
♥ Can compress jpg, jpeg, gif, pcx, bmp images to jpg or jpeg2000