Video Tools
Add Music to Video
Add background music or voiceover to any video with volume mixing controls.
Drop a video file or click to upload
MP4, WebM, MOV, AVI, MKV
Drop an audio file or click to upload
MP3, WAV, OGG, AAC, M4A, FLAC
Your videos are processed locally in your browser. Nothing is uploaded to any server.
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About Add Music to Video
OptiPix Add Music to Video lets you overlay background music, voiceover, or any audio onto a video. Upload a video and an audio file, then control the volume of both the original video audio and the new music. Choose to replace the original audio entirely or mix them together. Loop the music if it's shorter than the video. Uses FFmpeg.wasm amix filter.
How It Works
FFmpeg.wasm amix filter for mixing, or -map for replacing. Volume adjustment via volume filter.
Use Cases
- •Add background music to vlogs
- •Add voiceover to screen recordings
- •Replace audio in presentations
- •Add music to slideshows
- •Create video with custom soundtrack
Frequently Asked Questions
Mix or replace?
Volume control?
Loop?
Uploaded?
Formats?
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