I suggest pick Medium for both the JPEG Quality as well as the Size. There are many options for JPEG Quality and Size. Choose the format you prefer, such JPEG.ģ. You will now see a number of options here. Select the File Export tab in this window. Click on the File option in the Photos menu, then select the Export option.Ģ. Now let us learn how to use Photos app to compress different picture file types on Mac.ġ. It is built up with some unique features that helps in compressing pictures to any level without spending a lot of time. It is a simple way beyond all doubt, with only few clicks you can fulfill the task of compression of pictures on Mac Photos. The fastest way to compress photos on your Mac is to use Photos app. How to Compress Photos on Mac via Photos App? Hope you can find the most ideal way for yourself. Here we offer you some ways on how to compress photos on Mac and show you the process of photo compression. Then, how will you deal with these photos? Or you want to put photos on a website and send them to someone by email, but would prefer to use smaller picture sizes. If you take photos with a high-resolution camera and consider transferring them to your Mac, but you find that they are beginning to take up a lot of hard drive space that you'd rather use to store other files.