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How to Replace Audio in a Video for Free - 3 Easy Ways

Last Updated: Jul. 08, 2021
Summary
This blog will show you three video audio replacers to replace audio in a video for free. Follow us and learn how to replace audio in a video online, on Mac & Windows.

Have you ever experienced that you captured a fantastic video, but the audio that comes with the video doesn't come out just the way you want it to be? We believe that most of you guys have suffered from this situation. To solve this problem, you can replace it with music or voice-over of your own.

Contents:

Can't Miss: Top 3 YouTube Audio Rippers to Extract Audio from YouTube Video>

How to Replace Audio in a Video Online for Free

First, let us explore how you can replace audio in video online free with FlexClip Online Video Editor.

As a powerful online video editor, available both on Mac and Windows, FlexClip can work as a video audio replacer helping you replace audio in a video for free. You can replace the audio in the video with a new music track or your own voice-over. Besides replacing audio in a video, you can do virtually anything to a video with FlexClip - add text, transitions, filters, stickers, etc.

To replace audio in your video online with FlexClip, simply follow the steps below:

Step 1
Import Your Video to FlexClip Video Editor

Go to FlexClip Online Video editor directly and upload your videos to the storyboard from a local folder.

Replace Audio in Video Online Free with FlexClip - Step 1

Image Board: Replace Audio in Video Online Free with FlexClip - Step 1

Step 2
Remove Audio from a Video

Click on the audio icon to remove sound from your video. Drag or set it to zero will mute the video clip. You can also remove the audio from your video by clicking on the mute button directly.

Replace Audio in Video Online Free with FlexClip - Step 2

Image Board: Replace Audio in Video Online Free with FlexClip - Step 2

Step 3
Replace the Audio in a Video Online

You can add your voice-over or background music to replace the original audio.

#1 FlexClip provides an effortless way to record a voice. Select the clip/story you want to add a voice-over and hold down the Record button to start talking. Your words will be recorded with high quality.

#2 You can also add a new music track to your video - just click Music and select one from FlexClip's default music collection or upload your own one from a local folder.

Replace Audio in Video Online Free with FlexClip - Step 3

Image Board: Replace Audio in Video Online Free with FlexClip - Step 3

How to Replace Audio in a Video on Mac for Free

iMovie is a free video editor for all iOS and Mac users. It is the best video audio replacer allows you to replace audio in video for free on your Mac and iPhone.

Step 1
Import Your Video to iMovie

Launch iMovie and go to the File menu, selecting "Import" followed by "Movies" and find the video you want to replace the audio, and then drag and drop to import it into iMovie.

Step 2
Remove the Original Audio

iMovie offers two ways to remove the audio - delete audio and mute audio.

#1 To delete the audio, first, select the video on your timeline and right-click on it, then choose "Detach Audio" from the popping-up menu. Sooner, you should see the audio file become a separate audio track on the editing line, and you can right-click on the audio track and choose to Delete.

Replace Audio in Video with iMovie on Mac - Delete

Image Board: Replace Audio in Video with iMovie on Mac - Delete

#2 It's pretty easy to mute a video in iMovie, simply click on the Audio button and choose to mute the audio directly.

Replace Audio in Video with iMovie on Mac - Mute

Image Board: Replace Audio in Video with iMovie on Mac - Mute

Step 3
Replace Audio in a Video with iMovie Free

Then you can take your replacement audio and drop it into your project window. Of course, iMovie is also supported to record the voice-over.

How to Replace Audio in a Video on Windows PC for Free

If you're a Windows user, the default media player and editor, Windows Movie Maker is the best video audio replacer helping you to replace audio in video free.

Step 1
Import Your Video to Windows Movie Maker

Run Windows Movie Maker and then click the "Add Videos and Photo" option to import the video that you want to replace the audio.

Step 2
Turn off the Original Audio

Go to the "Edit" tab > "Video Volume" icon and then drag the slider to the left to turn off the original video sound.

Step 3
Replace Audio in a Video Free on Windows

Click the Add music icon to choose your desired audio track. There are two options; you can either choose to "Add music", or "Add music at the current point".

Replace Audio in Video with Windows Movie Maker

Image Board: Replace Audio in Video with Windows Movie Maker

Final Words

That's all for the 3 easy and free video audio replacers to help you replace the audio in a video online, on Mac & Windows. Hopefully, with the methods we introduced above, everyone can change the audio in a video and take the video next level with great ease.

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