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ConvertAnyVideo

MP4 to MP3 Converter

Extract the audio from MP4 videos and save it as MP3. Pick the bitrate, trim the start and end, and download in seconds.

or drop files here

Up to 1 GB per file · Files never leave your device

  • 100% free
  • No sign-up
  • No upload — private
  • No watermark

How to convert MP4 to MP3

  1. Add your MP4 files

    Click “Choose Files” or drag and drop your MP4 videos onto this page.

  2. MP3 is selected

    The output is already set to MP3. Open Advanced settings if you want to change the bitrate or trim the audio.

  3. Convert and download

    Click Convert. Your MP3 file is ready in moments — nothing is uploaded.

About the formats

MP4

MPEG-4 Part 14

MP4 is the most widely supported video format today. It usually stores H.264 or H.265 video with AAC audio and plays on almost every phone, browser, TV and editing app.

MP3

MPEG Audio Layer III

MP3 is the most compatible audio format in the world. It plays on every device and gives small files with good sound quality.

Frequently asked questions

How do I convert MP4 to MP3?

Click “Choose Files” and select your MP4 file (or drag it onto the page). MP3 is already selected as the output, so just click Convert and download your MP3 file when it’s ready.

Will the audio quality change?

The audio is saved at high quality (192 kbps by default). If the video’s soundtrack is already in a compatible format, it is copied without any quality loss.

Is it safe to convert MP4 files here?

Yes. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.

Is the MP4 to MP3 converter free?

Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.

Can I convert several MP4 files at once?

Yes. Add as many MP4 files as you like and convert them in one go, then download them one by one or together as a ZIP file.

Convert MP4 to other formats

Convert other formats to MP3