Mute a Video and Add New Background Music

Whether the original audio is noisy, copyrighted, or just not what you want, ReelTools lets you mute any video and swap in a fresh soundtrack. Upload your video, silence the existing audio, drop in your new music or voiceover, and export - all from your browser in under a minute.

ReelTools provides a browser-based tool to mute any video's original audio and replace it with new background music, a voiceover, or any audio file. No video editing software required - upload, mute, add audio, and export.

How to Do This

  1. 1
    Upload your videoOpen the Add Audio to Video tool on ReelTools and upload the MP4 or MOV file you want to edit.
  2. 2
    Mute the original audioToggle the mute switch to completely silence the existing audio track on the video.
  3. 3
    Add your new audioImport an MP3 or audio file - this could be background music, a voiceover, a podcast intro, or any sound. Adjust timing and volume as needed.
  4. 4
    Export the final videoHit Export to download the video with the new audio baked in. The file is ready to upload anywhere.

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Frequently Asked Questions

What video formats are supported?

ReelTools accepts MP4 and MOV files. The exported video is always an MP4, which is universally compatible.

Can I adjust the volume of the new audio?

Yes. There's a volume slider that lets you set the exact level before exporting.

Can I keep some of the original audio?

Yes. Instead of fully muting, you can lower the original audio volume and blend it with the new track for a mixed result.

Is there a maximum video length?

ReelTools handles most video lengths comfortably. Very long videos (over 30 minutes) may take longer to process but are still supported.

Does this work on mobile?

Yes, the tool runs entirely in your browser on both mobile and desktop devices.

Try It Now — Free

ReelTools provides a browser-based tool to mute any video's original audio and replace it with new background music, a voiceover, or any audio file. No video editing software required - upload, mute, add audio, and export.

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