Add Music to Video

Upload a video and an audio file, such as a song or a voice-over, and combine them. Replace the original sound completely, or mix the music quietly behind the voices, and choose whether short music repeats until the video ends.

How to add music to a video

1. Upload your video and choose the audio file (MP3, WAV, M4A, AAC, OGG or FLAC).
2. Choose to replace or mix the original sound and set the music volume.
3. Click Convert and download the video with its new sound.

Add audio to video features

• Replace the soundtrack or mix it with the original sound.
• Volume presets from 100% to 20% for background music.
• Short music repeats until the video ends, or plays once.
• The picture is copied without re-encoding whenever possible.

Using music legally

Social networks may mute or block videos with copyrighted songs. Use music you own, royalty-free tracks or the platform’s own music library for public posts.

Frequently asked questions

Can I keep the original voices?

Yes. Choose Mix it with the new audio and set the music to 40% or 20%.

What if the music is longer than the video?

It is cut at the end of the video.

Is the video quality reduced?

Usually not; the picture is copied without re-encoding.

Privacy, limits and file safety

Your files are processed on our own server, are never shared with anyone and are deleted automatically 60 minutes after processing. You can upload files up to 500 MB and 60 minutes long. No sign-up, no watermark and no software to install: it works in any modern browser on Windows, Mac, Android and iPhone.

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