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

Fast Motion/Slow Motion effects, also known as Speed Up/Slow Down effects in Windows Movie Maker and Windows Live Movie Maker, which make the video clips play faster or slower than original speed. Usually, the effect is used to make videos dramatic or funny.

Now Wondershare Video Editor also allows you to 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 Video Editor (Windows/Mac).

Download win version Download mac version

Step 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 Video Editor 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.

slow motion and fast motion

Step 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.

  • 0.5: half of the original speed (Slow Down, Half)
  • 1: The original speed
  • 1.5: 1.5 times the original speed (Speed Up, 1.5 x Speed)
  • 2: Double the original speed (Speed Up, Double)

fast slow motion video

Note that you can also click the "Audio" tab at the bottom to adjust its volume, pitch, set fade in/fade out effect, etc.

Step 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 change the speed and pitch of the audio to change the voice. Give it a try.

Download win version Download mac version

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

Liza_Brown
Hi, Biya, our software can't do this now, I will send your requirements to our R&D department. Thanks.
Biya
Is there any way to create the "rewind effect" ?
Emilio
I found the way of doing it. Thanks
Emilio
Hello, how can i slow down/fast just a part of the video and keep it at normal speed?
alyssa
when i double click it only shows edits for added in motions like a "slide" ive clicked edit and advanced edit and neither will show me the speed
Lil Race
I am making a music video and the clips lag inbetween switching over to other slides/clips and i need it to be on point for the lip singing to be sync'd with the audio... WHy is that?
disqus_I9DUb67Vq4
Hello I have the proper speed I want, but when ! Output it my project moves too fast. why is the output slower than from the preview? .
Liza_Brown
Hi, actually, after you load the video to the program, it will be compressed to a lower resolution as 512*288 to set the preview window, that is why the lags occurred. And it will get even worse when you edit the vidoes. But the output quality will not be affected. Sorry that we do not have a better solution to get rid of this now. We are still working hard on it, hope you could keep an eye on our website. Thanks!
Paige
Whenever I cut/put two scenes together, it lags and freezes for a bit and it doesn't flow well unless exported. How do I get rid of this?
Liza_Brown
I checked our software doesn't have this feature, may I ask where did you see this info? I can check it further for you.
Home > Resource > Video Effects > How to Make Slow/Fast Motion Videos (Speed Up/Slow Down Effect)

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