Video
Tools will load when you run.MP4 to MP3≈
Extract the first audio track of an MP4 as MP3 at 192 kbps locally.
Your result.
How to use MP4 to MP3
- Choose your MP4.
- Upload an MP4 with audio. Audio extraction: up to 10 minutes; video resolution is not restricted because only audio is decoded.
- Download the MP3. Re-encoding can change audio quality.
Process multiple files
Use a workflow to apply the same settings to each file.
Formats and requirements
- Input formats
- MP4
- Output
- MP3
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 128 MiB per file, 128 MiB total
What to expect
Extracts the first audio track of an MP4 as MP3 at 192 kbps. Requires an audio track; re-encoding may lose quality. Browser limits: Audio extraction: up to 10 minutes; video resolution is not restricted because only audio is decoded.
Do my files leave my device?
No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →