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7.  Speed up part of a screen recording

Answer

# How do I speed up part of a screen recording on a Mac?

Use iMovie, which is free: hold **R** and drag across the slow part of the clip, click the **Speed** button above the viewer, choose **Fast** and pick 2×, 4×, 8× or 20×.

QuickTime Player can only play faster, not save a faster part. In Clacky Studio you split the clip and set its speed from 0.5× to 8×, or let Auto edit speed up the waiting for you.

[Try free for 3 days](https://clacky.app/try/)[Pricing](https://clacky.app/#pricing)

![Clacky Studio after Auto edit: shaded cuts between sentences and four 1.6× Smooth speed-ups on the timeline](https://clacky.app/features27/studio-editor-light.webp)![Clacky Studio after Auto edit: shaded cuts between sentences and four 1.6× Smooth speed-ups on the timeline](https://clacky.app/features27/studio-editor-dark.webp)

## Speed up a part in iMovie

1.  Create a project in **iMovie** and drag your recording into the timeline.
2.  Hold down **R** and drag across the part you want faster. It gets a yellow outline.
3.  Click the **Speed** button above the viewer.
4.  Choose **Fast** from the Speed menu, then click **2×**, **4×**, **8×** or **20×**. Choose **Custom** to type your own number.
5.  Tick **Smooth** for a gradual change, and **Preserve Pitch** if you talk in that part.
6.  Choose **File → Share → File** to export.

## What to speed up in a screen recording

If the faster part has talking in it, cut it instead: speed makes voices hard to follow even with the pitch kept.

-   Waiting for an app to install, a page to load or a build to finish.
-   Typing long text the viewer doesn’t need to read.
-   Moving windows around before the real step.
-   Keep the steps that matter at normal speed, so people can follow the clicks.

## With Clacky Studio

Open the recording with **Edit in Studio** (or any video with **Edit a Video**). On the Clips lane, press **⌘B** at the start and end of the slow part, select the clip and pick a speed: 0.5×, 1×, 1.5×, 2×, 4× or 8×. The clip shows how long it plays now.

Sound is muted in a clip that plays faster or slower, so clicks don’t squeak. **Auto edit (Beta)** does the common case for you: it speeds up the waiting and cuts the quiet between sentences, and each change shows as a block you can click to undo.

## Where these facts come from

Checked on 5 November 2026.

-   [Apple: Slow down and speed up clips in iMovie on Mac](https://support.apple.com/guide/imovie/mov6c442b2eb/mac) (hold R to select a range, Fast 2×, 4×, 8×, 20×, Custom, Smooth, Preserve Pitch)
-   [Apple: Trim a movie or clip in QuickTime Player](https://support.apple.com/guide/quicktime-player/trim-a-movie-or-clip-qtpf2115f6fd/mac)

## Questions

### Can QuickTime Player speed up a video?

It can play faster while you watch, but it can’t save a faster part. Use iMovie or another editor.

### How do I make a timelapse of a long screen recording?

Speed the whole clip up in iMovie with Fast at 20×, or Custom for more.

### Will a sped-up part keep my click sounds?

Not in Clacky: it mutes sped-up clips so clicks don’t squeak. In iMovie the sound plays faster.

Facts checked on 5 November 2026.

## Related

-   [Trim a screen recording on a MacOpen it in QuickTime Player, choose Edit → Trim, drag the yellow handles and click Trim. To cut a part from the middle, split the clip first.](https://clacky.app/answers/trim-screen-recording-mac/)
-   [Zoom in on clicks in a screen recordingmacOS can’t zoom on clicks by itself. Zoom by hand in iMovie with Ken Burns, or use a recorder that knows where you clicked, like Clacky.](https://clacky.app/answers/zoom-in-on-clicks/)
-   [Clips and speedSplit, trim and delete clips on the Clips lane (⌘B, Q, W), and play any clip from 0.5× to 8×.](https://clacky.app/features/clips/)
-   [Auto editStudio cuts the quiet between your sentences, zooms in on every burst of clicks and speeds up the waiting. Click a cut to bring it back.](https://clacky.app/features/auto-edit/)
-   [Product demo video on MacRecord a product demo with clicks heard and seen, let Studio cut the pauses and zoom on clicks, add captions, and export for X, YouTube or a launch.](https://clacky.app/use/product-demo-video-mac/)

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