Add Background Audio to Video
Replace or mix a background track over your video — music, narration, or sound effects. Perfect for slideshows and short films.
Drag and drop your file here
or click to browse from your device
Maximum file size: 200 MB
Supported Formats
File types you can use with Add Audio to Video.
Supported Input Formats
Available Output Formats
Usage Limits
Free tier limits for Add Audio to Video on the web.
Max file size
200 MB per file
Daily free uses
8 conversions per day
Batch limit
Up to 1 file at once
Need more? Try the Seer app for expanded limits.
Privacy & Processing
วิธีใช้
How to use Add Audio to Video with SeerKits
- 1
Add your file
Upload or drag your video file. SeerKits detects the format automatically.
- 2
Adjust settings
Configure options such as quality, speed, volume, or effect presets to match your goal.
- 3
Process and download
Start processing and save the result when complete. Continue editing in Seer Video for advanced workflows.