PicShrink

PicShrink is a tool with which you can compress your images as much as you'd like so they take up much less space.

To do so, you must drag the images that you want to compress (they can be several folders worth) inside the window, configure the parameters to your liking and click “Process.” It’s that simple.

The different program options will allow you to change the target format (JPG, PNG, GIF, BMP or TIFF), the quality of compression (from 100% to 0%), even the brightness, sharpness and contrast. All this you can do from the most intuitive interface that is very appealing to the eyes.

PicShrink works very well, even though at the lowest compression levels the image loss is excessive and doesn’t make up for the loss of weight.