Home / Help / Camera & overlays Camera & overlays
Add a live preview of your screen crop A screen preview window shows a live, zoomed view of part of the screen, following your mouse, so you can watch a Reel-shaped crop as you work.
Where to find it Studio → Overlays → Screen
How to do it 1 Open the studio, choose Overlays , and press Screen .
2 Pick a Crop shape , such as Reel 9:16 or Square 1:1 .
3 Turn on Follow mouse (⇧⌥⌘F) and set Follow smoothness .
4 Drag Crop zoom , or with Gesture zoom on, pinch or scroll on the preview.
5 Press Show Viewport to see the crop’s outline on the display.
Good to know It doesn’t change the recording, which always keeps the full frame. Pick the shape and motion in the editor. The preview is hidden from recordings by default.
Who can use it Free
Where it works Mac This guide answers Can I see what a vertical crop of my screen looks like while recording? What is the screen preview overlay? How do I show a zoomed-in view of my cursor? Does the screen preview change my recording? Related guides Make the video follow your mouse
When the canvas is smaller than the screen, Follow mouse pans the crop with your cursor, with smoothing for calm camera moves.
Pin the camera inside the recording frame
Lock the camera inside the screen-capture crop so it rides along as the crop moves and zooms, and stays in the shot in the editor.
Change a video to vertical 9:16 for TikTok, Reels and Shorts
Set the canvas to Reel, Square, Portrait or another size. A screen recording is cropped to match and can follow your mouse.
Crop a video to vertical or square on iPhone
Change a recording's shape to Reel 9:16, Square 1:1, or Portrait 4:5 and choose which part shows, for Reels, TikTok, or Shorts.
Still stuck? Support covers install, permissions and how to send feedback from the app.
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