Wondershare Filmora
Create Fast/Slow Motion Videos at Any Speed You Want
  • Up to 100x fast mo and 0.01x slow mo.
  • Various filter and overlay effects to touch up your video
  • A wide support for different formats.

How to Make Slow/Fast Motion Videos (Speed Up/Slow Down Effect)

Timelapse/Slow Motion effects, also known as Speed Up/Slow Down effects in video production, which make the video clips play faster or slower than original speed. Usually, the slow-mo effect can give us a "close-up in time", and introducing a feeling of surreality, while the fast motion effect is used to make videos dramatic or funny. In this article, we are going to show you how to make these effects in post production.

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Wondershare Filmora is such a video editor that we'd like to introduce to you, with this simple video editor, you can quickly make fast motion and slow motion videos. Read on to see how to speed up or slow down your creativeness. Below is the free trial verion of Wondershare Filmora (Win & Mac).

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How to Make Slow/Fast Motion Videos

1. Add video files to the program

Click "Import" on the primary window and select the video files from your computer to add them into this program. Alternatively, you can simply drag and drop files to the User's Album. Wondershare Filmora supports almost all regular video formats, such as MP4, AVI, WMV, MOV, FLV, M4V, MPG, VOB, ASF, 3GP, 3G2, F4V, MPEG, TS, TRP, M2TS, MTS, TP, DAT, MKV, DV, MOD, NSV, TOD, EVO, etc.

Note: To change the video speed and make a slow motion/fast motion video, please add your video footage to this first track.

slow motion and fast motion

2. One click to speed up or slow down

Next, drag videos from the User's Album to the video track on the Timeline, and then double-click the added video to open video editing panel. Locate the Speed option, and the speed numbers will indicate how fast or slow the motion effects will be. Adjust to the speed you want.

  1. 0.5: half of the original speed (Slow Down, Half)
  2. 1: The original speed
  3. 2: Double the original speed (Speed Up, Double)
  4. Other speed available to choose: 0.1 times, 0.2 times, 0.25 times, 0.33 times, 0.5 times, 2 times, 3 times, 4 times,5 times, 10 times etc.

fast slow motion video

3. Export fast/slow motion video

When you have finished adjusting the video speed, click "Create". You can save video in any popular formats by clicking "Format". If you want to play your new video creation on your iPod, iPhone, iPad, click "Device" and select the icon for your devices. You can also share your videos on YouTube directly or burn video to DVD disc.

save speed up, slow down effect

Tips: Besides Fast motion and slow motion video effects, you could also do some basic as well as advanced editing with Filmora, such as rotating, reversing, keying, etc., what's more, there are lots of preset video effects that you can use to give your video a hollywood look.

Download Win VersionDownload Mac Version

In fact, except for Filmora, many other video editing software can help you do this effect, professional tools like Adobe Premiere, After Effects, Sony Vegas, Final Cut Pro, and basic tools like Windows Movie Maker, iMovie. Just choose one and get started. Let us know your opinions in the comments section below.

Nov 23,2017 10:32 am

Product-related questions? Speak directly to our Support Team >>

Hi, I need to speed up a video clip to 15x and mute the audio. The only way to speed up the clip 15x is through the action cam tool, however I don't see any option there to mute the audio?
Filmora allows users to do variable speed change in Action Cam Tool now, maybe it will add the feature in the Full Feature mode too. You can try change speed in Action Cam Tool mode if your footage is in H.264 MP4/MOV or H.264 MTS/M2TS format.
Yeap, Filmora is easy to use. I am really new to video editing, but after using Filmora, I think video editing is easy, especially for beginners like me. LOL
Drag and drop your video footage to the first video track and try it again.
Hmm, you can find some articles on this site (there are some guides on https://filmora.wondershare.com/guide/editing-video.html) and also, you can learn Filmora tutorial on https://www.youtube.com/channel/UCY_LMaDAoa6hwHKBE4Dx56w. What's more, you can get some creative ideas from the Filmora MVP https://www.youtube.com/channel/UC8567DmojT8Ca3oZQlKip9w. If you are a YouTuber, you can join in the filmora.io to get more information.
Please add your video footage to the first track, and then double click it, and then you will see the speed window. You can try it again and let me know if it works.
You can add your video to the first track and try it again, Sam. It should work.
Please add your video footage to the first track and try it again. It should work.
I think you have not placed your your video footage in the first video track as the screenshot showed. Add your footage to the first track and try it again, it should work.
I think you have added your video to the second or other PIP track. Please add your video to the first track and try it again.
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