Open your project and tap the clip you want to adjust in the timeline.
Last updated on
Oct 10, 2025
Adjust the playback speed to make your clip shorter or longer in Premiere on iPhone.
You can change the duration of a clip by adjusting its speed. Slowing down a clip extends its duration for dramatic effect, while speeding it up shortens the clip to fit more action in less time.
In the bottom toolbar, scroll through the options from right to left and tap Speed.
Drag the speed slider to set a value between 0.1x (slowest) and 100x (fastest).
As you adjust, the new clip duration appears below the speed bar.
Note
If you want to undo any changes while adjusting the speed, tap the undo icon at the top-left of the Speed control panel.
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