How to zoom in on part of a screen recording on a Mac.

The recording workflow

1. Mark the moments that need a zoom

   Play the recording in a window about as wide as your viewers’ player. Write down the time of every label, toggle or field you cannot read. Those are the zooms; everything else stays wide.

2. Import the recording into iMovie

   Open iMovie, drag the .mov from Finder into an event, and add it to a movie’s timeline.

3. Split the clip around one moment

   Select the clip, put the playhead two seconds before the click and choose Modify > Split Clip. Split again a few seconds after it. The piece in between is the part that will zoom.

4. Apply Crop to Fill

   Select that piece, click the Cropping button and click Crop to Fill. Move and resize the 16:9 frame over the control, then click Apply. The area inside the frame now fills the picture for that piece.

5. Or animate it with Ken Burns

   Click Ken Burns in the same controls. Set the Start frame to the whole screen and the End frame tight on the control, then Apply. The picture moves in over the length of the piece.

6. Export and check sharpness

   Choose File > Share > File. Watch the zoomed moments at player width: a close-up shows fewer captured pixels at a larger size, so text that was soft before is softer now.

Why the built-in Mac recorder can’t zoom

Apple’s article on recording the screen lists the options in the Screenshot toolbar: a microphone, Show Mouse Clicks, a timer, the save location and, on newer systems, system audio and a capture format. A zoom is not among them. QuickTime Player’s documented edits are trim, split, rearrange, add a clip, rotate or flip, and remove audio or video. No zoom there either.

macOS does have a Zoom feature under System Settings > Accessibility > Zoom. Apple describes it as a way to make everything on the screen larger, or to enlarge the area around the pointer, for the person at the Mac. Apple’s documentation does not describe it as something that is written into a screen recording, so do not plan a video around it.

That leaves three real routes: enlarge the interface before you record, add zooms afterwards in a video editor, or record with a tool that stores zooms as editable items.

The cheapest zoom is a bigger interface

Before any editing, check whether you need a zoom at all. If every label is too small, the fix is at recording time.

• Record a window or a selected portion, not the whole display. Press Shift-Command-5 and choose Record Selected Portion; on macOS 26 Tahoe or later there is also Record Selected Window.
• Enlarge the app. In most browsers Command-Plus scales the page; many desktop apps have their own text size setting.
• Turn on Show Mouse Clicks in Shift-Command-5 > Options. It draws a black circle around the pointer on every click.
• Then use zooms only for the handful of controls that are still too small.

Zoom in for free with iMovie: Crop to Fill and Ken Burns

iMovie has two tools that enlarge part of the frame, both under the Cropping button. Apple’s guide says the Ken Burns effect works on a video clip as well as a photo, and makes the camera appear to zoom in to or out of the clip.

Crop to Fill is a fixed close-up: the picture cuts to the tighter frame at the start of the piece and back out at the end. Ken Burns is a move: it starts at one frame and ends at another. For a zoom that moves in, holds, and moves out, split the moment into three pieces and use Ken Burns in, Crop to Fill at the same frame, Ken Burns out.

Three limits. Both frames are constrained to 16:9, so a recording with a different shape gets cropped to fit. Each effect covers a whole clip, which is why you split first. And nothing in iMovie knows where you clicked: nine clicks worth zooming means nine rounds of split, frame and apply. iMovie is free on the Mac App Store, and the current version requires macOS 26.6 or later.

Screen recording zoom tools compared, with prices

If you make this kind of video often, a recorder that stores zooms as editable items saves the split-and-frame routine. Prices are US list prices from each vendor’s site, checked October 2, 2026. The iMovie and QuickTime rows come from Apple’s documentation.

Add a manual zoom in Qreata

In Qreata a zoom is an item on its own lane of the timeline. It sits on top of the full recording, so changing or deleting it never touches the picture underneath. This works on recordings made in Qreata; the app does not import other video files.

Say a confirmation banner appears at 1:42 of a four-minute tutorial and stays for three seconds. Nobody clicked it, so it needs a zoom placed by hand.

1. Open the recording in the editor and move the playhead to 1:42.
2. Click Add zoom, then click the banner on the preview to set the focus point. You can also create a zoom by dragging on the Zoom lane.
3. Set Duration. The range is 0.5 to 10 seconds and the default is 2; for a three-second banner use 3.
4. Set Zoom, the scale, from 1.2× to 4.0×. The default is 2.0×. Raise it if the text is still small at player width.
5. Set Ease in and Ease out, each from 0 to 1 second. The default 0.5 gives a soft move; 0 gives a hard cut to the close-up.
6. Adjust Start if the zoom arrives late. Two zooms cannot overlap, so shorten one if they collide.
7. Play it at player width. If the close-up hides context the viewer needs, select the zoom and delete it.

Zoom on every click with Auto-zoom on clicks

Qreata records your left clicks with every recording. Click By clicks in the Zoom tool, under Add zoom, or turn on the Auto-zoom on clicks toggle, and the editor creates one zoom per group of clicks: 2 seconds long, at 2×. Clicks less than 0.6 seconds apart count as one group, so a double-click produces one zoom. The setting is off by default.

Automatic zooms never overlap the ones you placed by hand, and turning the toggle off removes only the automatic ones. Each automatic zoom can be edited or deleted like any other. Granting Qreata the macOS Accessibility permission makes click timing more precise.

A workable routine for a four-minute tutorial with eleven clicks: turn Auto-zoom on clicks on, play it once at player width, delete the zoom on the first click so the viewer sees the whole layout, delete any zoom where two panels are being compared, raise the scale on the smallest toggle, and add one manual zoom on the result that appeared without a click.

What it does not do: there is no cursor-follow framing and no cursor smoothing, so the picture does not glide after the pointer between clicks, and the pointer moves exactly as you moved it. A step done with a keyboard shortcut gets no automatic zoom. If smoothing is what you are after, Screen Studio and CleanShot X’s Studio Mode list it.

How far to zoom before the picture goes soft

A zoom enlarges captured pixels; it adds none. At 2× the frame shows a quarter of the captured area, and at 4× a sixteenth. A 1080p recording zoomed to 2× is showing a 960×540 patch stretched to full size.

So record at a higher quality when you know you will zoom hard. Qreata records at 720p, 1080p or 4K and exports at the recording’s resolution, always at 30 fps. Zooming belongs to the $49 one-time license: there is no subscription, and the 7-day trial has every feature with no watermark. Qreata is in beta and runs on Apple Silicon Macs with macOS 14 or later.

The ten-minute test: record two minutes of your densest settings page, turn Auto-zoom on clicks on, add one manual zoom, export, and watch the MP4 at the width of your help article and on a phone.

Questions about this workflow