How to Reverse a Video on Mac

The fastest way to reverse a video on Mac is to drop the clip into an iMovie project, select it, click the Speed button, and select the Reverse checkbox. Here's the full path, how to reverse only part of a clip, and the audio problem that comes with it.

Reverse a video on Mac with iMovie

Reversing lives inside iMovie's speed controls, which is why it's easy to miss. There's no Reverse command sitting in a menu. Put the clip on the timeline, select it, then click the Speed button in the adjustments bar. Among the controls that appear is a Reverse checkbox. Select it and a reverse-play icon appears on the clip in the timeline, confirming it now runs backwards at whatever speed you've set.

That last part is worth reading twice: reverse and speed are the same control. A clip reversed at the Slow setting plays backwards and slowly. If you want plain backwards playback at normal pace, leave the speed alone and only touch the checkbox.

To reverse a section rather than a whole shot, select a range inside the clip first. IMovie puts speed sliders above the selected range, and the settings apply there instead of across the clip.

The audio is the part that catches people out

Reversed picture is an effect. Reversed sound is just wrong. Speech run backwards isn't hard to follow, it's impossible, and room tone reversed has an odd swelling quality that audiences register as a fault even when they can't say why.

So a reversed shot is effectively a silent shot, and that has to be planned rather than patched. In practice you have three options: let the section run silent and lean on the picture, carry it on music that ignores the reversal, or put the meaning on screen as text. Choosing before you export is much cheaper than discovering it after, because the fix is never in the reversed clip itself. It's in what you put around it.

The work that doesn't need a connection

Montaj doesn't reverse footage; that stays an iMovie job, and iMovie does it well. What Montaj handles is the rest of the pass , transcribing the speech, generating word-by-word captions, cutting dead air, cleaning up the voice , and it does all of that with no connection at all. The models are cached after a one-time download, and from then on the editing works on a plane, on a hotel network, or with the Wi-Fi off entirely.

That's a real difference on a laptop, which is the machine you're most likely to be editing on somewhere with bad internet. Use iMovie to reverse a video on Mac, then let the surrounding work happen without waiting for a signal.