If you have a lot of images in different formats and you want to convert them to a common format, you can use the Mac Finder to do it easily and quickly. Here are the steps to follow:1. Open the Finder and navigate to the folder where your images are stored.2. Select the images that you want to convert. You can use the Shift key or the Command key to select multiple images at once.3. Right-click on the selected images and choose Services > Preview from the context menu. This will open the Preview app with all the selected images.4. In the Preview app, go to File > Export Selected Images....