Convert Slow Motion Video to Normal on iPhone

If an iPhone clip plays in slow motion and you want it to run at regular speed, you can change the slow-motion section in Photos without installing an app. The edit keeps the original video available to restore, and you can save a separate copy if you want to preserve both versions.

What You’ll Need

An iPhone with the slow-motion video in the Photos app. These steps apply to videos recorded in Slo-mo and clips that Photos recognizes as slow motion.
Enough free storage if you plan to export a separate copy. Editing the playback range in Photos usually does not create a second full-size video, but exporting or duplicating can use additional space.
Optional: a video-editing app if you want to change playback speed for only part of a clip or need controls beyond Photos’ slow-motion range.

Step-by-Step

Open the clip in Photos. Tap Photos, locate the video, and open it. If it is hard to find, check the Slo-mo media type in Albums, or use Search and look for the video by date or location.
Enter edit mode. Tap Edit in the upper-right corner. On some iOS layouts, controls may appear at the bottom or the button may be shown as sliders; open the video’s editing controls.
Find the slow-motion range. Beneath the preview, look at the video timeline. A Slo-mo clip typically has a row of vertical bars, with closely spaced bars around the regular-speed portions and wider spacing in the slow-motion section. The two taller vertical markers show where slow motion starts and ends.
Make the whole clip play at normal speed. Drag the left slow-motion marker all the way to the right and the right marker all the way to the left, until the slow-motion range has no length. Depending on the iOS version and timeline layout, you may instead drag the markers together at the same point. The important result is that no part of the timeline is selected for slow motion. If the handles are difficult to move precisely, enlarge the timeline with a pinch gesture if your version allows it, then adjust them again.
Preview the result. Tap the play button and watch the clip, especially around the point where slow motion used to begin and end. The action should now play at a consistent, regular pace. If it still slows down, return to the timeline and check that the markers meet or that the slow-motion section has been removed.
Save the edit. Tap Done. Photos applies the change to the clip. The edit is usually reversible: reopen the video, tap Edit, then tap Revert and confirm if you want to restore the original slow-motion version. Revert discards the current edits, so do not use it if you want to keep other changes you have made.
Make a separate normal-speed copy if needed. To keep an untouched original, first duplicate the video from its options menu, then edit the duplicate. Menu wording and placement can vary by iOS version; look for Duplicate after tapping the three-dot menu or the share/options control. Check which copy you are editing before saving.
Export or share when you are ready. Use the Share button to send or save the edited video. If the recipient needs a standalone file, save it to Files or share it through your preferred service, then open the exported copy to confirm it plays at normal speed. Some services may compress a video, so check the file after transfer.

Common Mistakes

Moving the wrong markers. The timeline may show trim handles at its outer edges as well as slow-motion range markers. Moving trim handles changes the clip’s start or end; move the pair that marks the slow-motion section instead.
Assuming the entire clip is slow motion. A Slo-mo recording can contain normal-speed sections before and after the slow portion. Check the whole timeline rather than changing only the section that looks slow in the preview.
Expecting a higher frame rate. Returning the clip to normal playback does not create new frames or restore motion detail that was never recorded. The file may still have been captured at a high frame rate; Photos changes how its slow-motion range plays.
Overwriting the only version you wanted to keep. Photos edits are generally reversible, but exporting, sharing, or using another app can create a separate file that is not linked to the original. Duplicate first if preserving both versions matters.
Confusing normal speed with a custom speed change. Photos’ built-in Slo-mo editing adjusts which part plays slowly; it does not offer a general speed slider for every video. Use an editor with speed controls for a specific speed such as 1.5×.

Tips

Use headphones or watch the preview more than once to check the transition. A clip can look correct in a still frame but feel abrupt when played.
If the video is important, duplicate it before editing and keep the original until you have checked the exported result.
Make the edit in Photos before sharing. A social or messaging app may process the video differently, and an edit performed only during sharing may not change the saved original.
For a clip with several distinct slow-motion moments, Photos may not provide enough control to set each section independently. A video editor with a speed or retiming tool is a better choice.
Allow the video to finish downloading from iCloud before editing or exporting if it is stored in the cloud. A low-resolution preview is not always the full original file.

Troubleshooting

You cannot see slow-motion markers: Confirm that you opened the video itself and tapped Edit. A regular video may not have a Slo-mo range to adjust, even if it appears slow because of its content. If the clip came from another app, it may have been exported as an ordinary video with slow playback already baked in; Photos cannot remove that effect simply by moving Slo-mo markers.

The clip still looks slow after saving: Reopen it in Photos, tap Edit, and inspect the full timeline. Check that the slow-motion handles meet and that you are previewing the edited copy, not the original. Close and reopen Photos if the preview seems stale, then test the video again.

The edit changes the wrong part or trims the video: Tap Edit again and use Revert only if you are willing to remove all edits to that clip. Then reopen the edit and identify the slow-motion handles by their position around the slower section. Avoid dragging the outer trim handles unless you intend to shorten the video.

Editing or exporting is unavailable: Check that the original has downloaded, the iPhone has available storage, and Photos has permission to access the item. If the video is in a shared album or another app, save a copy to your library first where permitted. Restarting the iPhone can also resolve a temporary Photos glitch.

The exported file plays slowly elsewhere: Export again after saving the Photos edit, then test the new file in Photos or Files before sending it. If it remains slow, the slowdown may be part of the rendered video rather than an adjustable Slo-mo range. Try a video editor’s speed controls, or obtain the unedited original if available.

Frequently Asked Questions

Can I convert an iPhone Slo-mo video to normal speed in Photos?
Yes. Edit the clip and remove the slow-motion range by bringing its two markers together. Preview it and tap Done.

Will this reduce the video’s quality?
Changing the Slo-mo range in Photos does not ordinarily lower the original’s resolution. Sharing or exporting through another service may recompress it, so check the saved file.

Can I undo the change later?
Usually, yes. Reopen the original in Photos, choose Edit, and use Revert. Reverting removes the edits on that clip, so duplicate it first if you want to preserve versions.

Can I make only one section normal speed?
Photos lets you adjust the slow-motion range, but its controls may not support multiple custom speed changes. Use a video editor with retiming controls for more complex sections.

Does changing the speed make the video shorter?
It can change the clip’s playback duration because the selected slow-motion section no longer plays slowly. It does not necessarily trim the recorded footage; check the timeline and preview to distinguish speed changes from trimming.

What if the clip was slowed down in another app?
If the slowdown was rendered into the video, Photos may treat it as a normal clip and cannot restore the original timing. Use an editor with speed controls, or find the original unedited recording.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

More in this bed

The whole Tech How-To bed →