Common video files, including formats readable by the local FFmpeg engine
All toolsAccepted input Created output Tips and limitations
Video · ready
Add Audio to Video
Replace a video's sound with a selected audio track and optional looping.
Loading local tool…
No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool
Use add audio to video without uploading files
Replace a video's sound with a selected audio track and optional looping. Add Audio to Video runs in the current browser session, giving you a direct result without sending the source to a Filemazing processing server.
Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.
Three steps
- Choose the source file and content required by Add Audio to Video.
- Configure placement, appearance, timing, or strength in the available controls.
- Apply the change and inspect the downloaded result carefully.
Useful for
Common add video audio tasks
- Using add video audio without an upload queue
- Preparing short clips for publishing
- Improving playback compatibility
Practical details
What to know before you start
An edited file created by Add Audio to Video
- Long and high-resolution videos can take significant time and memory to encode locally.
- Preview the complete downloaded clip before replacing the source.
- Review the Add Audio to Video result before using it in an important workflow.