Add audio to video
Mix local music or narration with the video's original audio track.
Mix video and background audio
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Related quick tools
Guide and FAQ
How to use Add audio to video
- 1. Choose or drop a video
- 2. Preview and adjust settings
- 3. Process locally and inspect the result
- 4. Download to this device
Files stay on this device
Adjustable settings with preview
No account required
FAQ
Are files uploaded?
No. Processing runs locally in browsers that support WebCodecs.
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