How Do You Slow Down a Time Lapse Video [iPhone/Android]

How do you slow down a time-lapse video? You can adjust the Frames Per Second to speed up or slow down your video. Read more for details.


Dawn Tang

Atualizou em 07/04/2024

0 Views | 0 min read

Quick Tips

▶️To reduce the speed of your time-lapse video, lower the FPS using EaseUS online speed changer or iMovie on your iPhone, iPad, or Mac.

If you want to record time flying by the movement of clouds, city lights, or bustling crowds, time-lapse shows the dynamic effect of these frames while playing at a normal speed. It is a filming and editing method that alters the capture of frame rates. But sometimes you may have a problem like this:

I love filming many things in time-lapse, especially cooking food.  But the time-lapse video becomes too fast for longer videos.  I read that the iPhone automatically adjusts the frame rate to make all videos between 20 and 40 seconds.  If I cook something that takes a long time, the video goes way too quick.  I'd rather have a longer video that I can see what's happening. Is there a way to manually adjust the frame rate on time-lapse videos?

Yes, to slow down the time-lapse video, you need to change the Frames Per Second to a lower number. And how to do that?

Reduce the Speed of Time-Lapse Videos online

You can speed up a song or slow down a video to 0.5x using EaseUS online speed changer, a web-based audio studio that supports MP3, MP4, FLAC, WAV, and more formats. You can also upload 20-minute files without logging in for free.

EaseUS online speed changer

Featuring an intuitive UI, the tool is multifunctional and easy for all users. You can remove vocals from songs, extract instruments for karaoke, reduce background noise, find key of a song, and change pitch and volume.

Key Features

  • Change the speed of video from 0.5x to 1.5x.
  • Upload audio/video files without login.
  • Support MP3, MP4, WAV, FLAC, etc.
  • Accessible to any device.
  • A complete and multipurpose audio tool.

Step 1. Enter the main interface of EaseUS Online Speed Changer. The left sidebar shows new functions of this online tool. Find "Pitch changer" and click it. 

change speed step 1

Step 2. Then, drop the audio/video file in the blank. It supports multiple file formats, including MP3, MP4, WAV, M4A, and FLAC. 

Step 3. The website will analyze your file with AI. You can drag the little dot in the "Speed" section to slow down or speed up with a range of 0.5X to 1.5X. 

change speed step 2

Step 4. Click "Save and Export" to download the processed file to your local file location. 

Slow Down a Time-Lapse Video on an iPhone/iPad

iMovie is a video editing app developed by Apple and is available for iPhone, iPad, and Mac. It allows users to create, edit, and share videos with ease. With iMovie, you can trim and rearrange clips, add music and sound effects, apply filters and transitions, include text overlays, and adjust video speed.

It includes a built-in feature to speed up a video on an iPhone or slow it down easily, but you should note that editing time-lapse videos can produce unnatural effects if set inappropriately. To speed up or slow down a clip in iMovie, follow the steps:

Step 1. Launch the iMovie app on your iPhone. Create a New Project: Tap the "+" icon to start a new project.

Step 2. Tap "Import" and select the time-lapse video you want to edit.

Step 3. Tap on the video clip in the timeline, then tap the speed icon (a speedometer) at the bottom. Drag the speed slider to the left to slow down the video.


Step 4. Tap "Done" or the tick mark to save your edits.

Step 5. Preview the video and, if satisfied, tap "Export" to save or share the video.

Slow Down a Time-Lapse Video on Android

Video Speed Changer: SlowMo allows users to create fast and slow-motion effects, adjust video speed based on frames, and slow down a time-lapse video for climax. They can select the duration of the video to edit. However, complaints about the tedious selection of the area of video exist, and sometimes, it won't work at all.

To speed up a video on Android or slow down a time-lapse video:

Step 1. Open the app on your Android phone and import the video from your gallery.

Step 2. Click the speed button and change as needed.

Step 3. Preview the video and save it once you are satisfied.


If you use a Google Pixel, this process would be much easier since it adjusts the speed of time-lapse video internally.

Step 1. Open your camera and swipe from the right for the time-lapse feature.

Step 2. Specify the desired speed on the slider and record your videos.


Step 3. If you want to slow down a recorded time-lapse video, select it from the photo gallery and change the speed as just noted.

Can You Slow Down a GoPro Time-Lapse Video?

time-lapse mode instructs the camera to capture and display only select moments quickly, effectively skipping the rest. While you could technically reduce the frame rate from 30fps to 24fps to slightly slow down the video, this won't significantly change the overall speed without making it look like a slideshow.

Unfortunately, there's no way to restore the original playback speed. Many video creators have experienced this issue, so it's a good reminder to double-check your camera settings before filming.

Sharing is caring! Spread these tips for those in need!


Wrapping up

This post introduces an online speed changer for both audio and video files, which you can use for free on videos up to 20 minutes long.

For mobile phones, iMovie and Video Speed Changer: SlowMo are good options. However, they only work for videos recorded on phones, it's impossible to slow down a GoPro time-lapse video to its original speed.

How Do You Slow Down a Time-Lapse Video FAQ

1. How do I slow down a video on my iPhone camera roll?

  • Launch the Photos app and locate the video you wish to slow down.
  • Select the Edit option located in the top right corner.
  • Choose the Speed button from the bottom toolbar.
  • Move the slider to the left to reduce the video's speed.
  • Tap Done to save your changes.

2. How to convert time-lapse video to normal video?

  • Open iMovie on your iPhone and allow all permissions.
  • Tap the "+" icon to create a new project.
  • Tap "Import" to add media files and select your timelapse video.
  • Adjust the timeline to trim, replace, or rearrange clips as needed.
  • Tap the speed icon in the bottom left to open playback speed controls.
  • Drag the speed control to slow down the video (set it below 1X).
  • Click the tick mark to save changes.
  • Preview the video, adjust settings, and click "Export" to save or share.

3. Can you adjust the speed of a time-lapse video?

The Frames Per Second (FPS) setting influences how fast your time-lapse video plays. Increase the FPS to speed up the video, or decrease the FPS to slow it down.

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