MP4 to MP3 Converter

Choose an MP4 video file to convert to an MP3 file. Works completely in your browser. Free and no ads.

Select a file to convert

Drop your MP4 file here or choose one from your device

Private and Secure: Files never leave your device. Media conversion runs entirely in your browser.

Quick guide

About MP4 to MP3 conversion

MP4 – MPEG-4 Part 14

MP4 (MPEG-4 Part 14) is a widely used video format supported by this browser-based converter.

MP3 – MPEG-1 Audio Layer III

MP3 (MPEG-1 Audio Layer III) is a widely used audio format supported by this browser-based converter.

Free Resources

Free Audio and Video Transcription

Convert audio and video files to text in seconds. 3 free transcripts every day.

Convert Video Files to Text

Upload MP4, MOV, WebM, AVI. Download DOCX, TXT, SRT (subtitles).

Transcribe YouTube Videos

Convert YouTube videos to accurate text or subtitles. Just paste the YouTube link.

Quick guide

How to Convert MP4 to MP3

01
Choose your MP4 file
Select or drag your MP4 file from your device into the converter.
02
Convert to MP3
Choose MP3 as the output format, then start the local browser conversion.
03
Download your MP3 file
Save the finished MP3 file to your device.

Transcribe audio or video with Whisper Web

Transcribe audio and video to accurate text in seconds.

Try Whisper Web

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Use this converter in more languages

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Frequently asked questions

How do I convert MP4 to MP3?

Choose your MP4 file, select MP3, and click Convert. When processing finishes, download the converted file.

Is this MP4 to MP3 converter free?

Yes. This converter is free to use, with no account, subscription, or ads.

Are my MP4 files uploaded?

No. Conversion runs locally in your browser, so your media file stays on your device.

What happens when converting MP4 to MP3?

The converter extracts only the audio track and saves it in MP3 format; no video is retained.

Which browsers and devices support MP4 to MP3 conversion?

The converter works in current desktop browsers on Windows, macOS, Linux, and ChromeOS. Performance depends on file size and device hardware.