OmniConvert
Video & Audio

MP4 to MP3

Save the soundtrack of an MP4 video — a lecture, podcast recording or music clip — as an MP3 at the bitrate you choose.

Input:MP4Output:MP3

Select files for MP4 to MP3

Drag & drop your files here, or click to browse

Supports:MP4M4V· up to 1 GB each, 10 files max
Files are processed on our server and deleted automatically after processing
Conversion & Output Settings
  • The audio track of the video is re-encoded to MP3.
Free to useNo sign-up and no watermarks on your files

How to use MP4 to MP3

From upload to download in 3 steps.

  1. 1

    Add your files

    Choose or drag up to 10 MP4 and M4V files into the upload area (up to 1 GB each).

  2. 2

    Adjust the settings

    Optionally change the target format, sample rate and channels — the defaults work well for most files.

  3. 3

    Convert and download

    Click Convert, follow the progress, and download the result — several files are bundled into one ZIP. Files are deleted from the server automatically afterwards.

Supported formats and settings

Input formats
MP4M4V
Output formats
MP3
Limits
  • Up to 1 GB per file
  • Up to 10 files per job
  • Files are deleted automatically after processing
Audio Bitrate
320 kbps, 256 kbps, 192 kbps, 160 kbps, 128 kbps, 96 kbps and 3 more
Sample Rate
Original, 48 kHz, 44.1 kHz, 32 kHz, 22.05 kHz, 16 kHz and 1 more
Channels
Original, Stereo and Mono

Why use our MP4 to MP3?

Genuine Processing

Real conversions by proven engines — never renamed copies or fake results.

Private by Design

Files are deleted automatically after processing and never used for training.

Free to Use

No account, no subscription and no watermarks on your files.

Frequently Asked Questions

Which file formats does MP4 to MP3 support?

MP4 to MP3 accepts MP4 and M4V files. It produces MP3.

Is there a file size limit?

Each file can be up to 1 GB, and you can process up to 10 files at once. Larger files take longer to upload and process.

What happens to my files?

Files are uploaded only when you start processing. They are stored under random names in a private temporary folder, processed, and deleted automatically shortly afterwards — the exact time is shown with your result — or immediately when you click “Delete files now”. Files are never shared or used for training.

How does MP4 to MP3 work, and what are its limitations?

The audio track of the video is re-encoded to MP3.

Is MP4 to MP3 free to use?

Yes. MP4 to MP3 is free, needs no account, and does not add watermarks to your files.

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