MMovlixy
Tools
VideoCompress VideoReduce video file size→Compress MP4Focused MP4 compression→MOV to MP4Convert MOV for wider compatibility→WebM to MP4Convert WebM to MP4→Trim VideoCut a clip by time→Compress to 25 MBTarget a shareable size→Compress to 10 MBTarget a smaller file→
AudioMP4 to MP3Extract video audio→Extract AudioSave a video track as MP3→WAV to MP3Make WAV audio smaller→M4A to MP3Convert M4A for compatibility→Trim AudioCut audio by time→Compress AudioReduce audio file size→
ImageCompress JPGReduce JPG file size→Compress PNGOptimize PNG files→JPG to WebPModern web image format→PNG to WebPKeep transparency where possible→Resize ImageChange image dimensions→Batch ImagesCompress several images→
Browse all toolsAccount
MP4 to MP3

Convert MP4 to MP3

Extract audio from an MP4 video and download it as an MP3 file.

MP4 TO MP3

Convert your file

Choose a file, adjust options if needed, then let Movlixy handle the rest.

Drop your file hereor browse your device
MP4, MOV, WebM or supported videoUp to your plan limit
🔒 Temporary storage✦ CPU-aware limits✓ Automatic cleanup
Made for this job

Convert MP4 to MP3

Turn the audio track from a video you own or are authorised to process into a convenient MP3 file.

Audio-only outputClear controls, no software install
192 kbps MP3Clear controls, no software install
No video stream in the resultClear controls, no software install

Related Movlixy tools

Compress Video OnlineCompress MP4 OnlineConvert MOV to MP4Convert WebM to MP4Trim Video OnlineExtract Audio from Video
Practical guide

How to use convert mp4 to mp3

Use this when you only need the audio track from an MP4, such as a recording you own, a lecture, or a voice track.

1Upload the MP4.
2Movlixy removes the video stream and encodes the audio as MP3.
3Download the MP3 result.
Questions

Frequently asked

Does converting improve audio quality?

No. Conversion cannot add detail that is not in the source audio.

What happens to the video?

The output contains audio only; the video stream is omitted.