on your Mac.Double-click a video, then click Edit in the toolbar.
Click Adjust in the toolbar to show adjustment options, then do any of the following:
Sharpen.Double-click a video to open it, then click Edit in the toolbar.
Click Adjust in the toolbar, click the pop-up menu at the bottom right of the video, then choose a playback speed:
Normal speed: Play your video at normal speed. This is always available.
Half-speed: Slow your video down to half speed. Available if you captured the video at a frame rate of at least 60 frames per second.
Quarter speed: Slow your video down to quarter speed. Available if you captured the video at a frame rate of at least 120 frames per second.
One-fifth speed: Slow your video down to one-fifth speed, or 24 frames per second. Available if you captured the video at a frame rate of at least 120 frames per second.
Note: The playback options available depend on the format of the video you captured. The larger the format you capture, the more options available.
Apply a filter to a video
You can apply a filter to a video to create a cooler or warmer look or apply a special black-and-white effect. When you apply the filter, you can adjust the amount of filtering that appears.
Go to the Photos app
on your Mac.Double-click a slow-motion video to open it.
Click Edit in the toolbar, then click Adjust in the toolbar.
Drag the vertical bars below the frame viewer to change when the video begins to slow down and speed up again.
Edit a Cinematic mode video in Photos on Mac
Edit a Cinematic mode video in Photos on Mac