Add Audio
Add an audio track to a video file. Replace or overlay the existing audio.
Drop file here or click to browse
Max 4096.0 MB
Drop file here or click to browse
Max 4096.0 MB
100% private — files never leave your device
·Free — no sign up, no watermark
How to Use Add Audio
- Upload your video file
- Upload the audio file you want to add
- Optionally enable 'Loop Video to Match Audio' for longer audio
- Click Process and download the video with audio
Features
- Add any audio file to a video as the soundtrack
- Option to loop the video to match the full audio length
- 100% private — files never leave your browser
- Free with no watermark or file size limits
Frequently Asked Questions
- How do I add music to a video?
- Upload your video and audio files, optionally enable video looping, and click Process. The audio is added as the video's soundtrack.
- What happens if the audio is longer than the video?
- By default the output matches the shorter of the two. Enable 'Loop Video to Match Audio' to repeat the video until the audio finishes.
- Is this tool free?
- Yes, completely free with no watermarks or limits. All processing happens locally in your browser.