Digital cameras have changed that, and our Keynote slide templates come in either 4:3 or 16:9 aspect ratios. Back in the days of photo film, just about every photo had either a 1:1 (square) or 4:3 aspect ratio. You’ll also have a choice of aspect ratio - the ratio of image width to height. On the Mac, launch Keynote and select a template from the choices available. Create A New Documentįirst, we need to create a new Keynote document. Let’s get started by creating a quick slideshow. You can export your slideshow as a video for sharing.You have a choice of music and voice narrations that can be added to the slideshow.More text annotations, slide transitions, and effects are available in Keynote than in Photos.Each photo slide can be edited for scale and adjusted for color.You can quickly import a lot of photos to make individual slides.You’re probably asking yourself, “Wait, why not just use the Photos app to create a slideshow?” There are some good reasons to use Keynote for your slideshows instead of Photos:
