Add Music to Video lays a soundtrack over your clip. Replace the original audio entirely, or mix the music underneath it, and set the music volume to taste. The track is trimmed to the length of the video automatically. It all happens in your browser — neither your video nor your music is uploaded.
Drop a clip in, then choose a music file — MP3, WAV, M4A and more are supported.
Replace swaps the soundtrack entirely; Mix lays the music over the original audio. Set the music volume with the slider.
Export to combine the video and music into one file and download it.
Add Music to Video lays a soundtrack over your clip. Replace the original audio entirely, or mix the music underneath it, and set the music volume to taste. The track is trimmed to the length of the video automatically. It all happens in your browser — neither your video nor your music is uploaded.
Yes — choose Mix to blend the music over the video's existing audio. If the video is silent, the music simply becomes the soundtrack.
The music is trimmed to match the video's length, so the result ends when the video does.
Common formats including MP3, WAV, M4A/AAC and OGG all work as the music source.
Yes — Add Music to Video is completely free. There's no account, sign-up, watermark or limit on the core tool.
No. This tool runs entirely in your browser — your file is processed on your own device and never leaves it. The only network request is an anonymous usage counter.
No. It runs in any modern browser — Chrome, Edge, Safari, Firefox, Brave — with nothing to download or install.