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

Wondershare Editor

Jun 25,2015 17:24 pm / Posted by to Basic Editing Tip


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 Filmora (originally 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 Filmora (originally Wondershare Video Editor) (Windows/Mac).

Download Win VersionDownload Mac Version

Step 1Add 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 (originally 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
  • 2: Double the original speed (Speed Up, Double)
  • Other speed available to choose: 0.2 times, 0.25 times, 0.33 times, 3 times, 4 times,5 times etc.

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 3Export 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 VersionDownload Mac Version


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