Audio
How to Extract Audio From MP4 as MP3
September 30, 2026
Short answer: upload the MP4 video to Ident Convert, choose MP3 as the output, and download the audio-only file — the video is discarded and you're left with just the sound, ready to store or share on its own.
Convert MP4 to MP3What is MP4 to MP3 conversion?
MP4 is a video format that can contain both video and audio.
Converting an MP4 to MP3 removes the video portion and keeps the audio as an MP3 file. This can be useful when you only need the sound from a video.
For example, you might have a video of your own presentation, podcast, interview, lecture, or another recording and only need its audio.
Why convert MP4 to MP3?
You may want to extract audio from an MP4 video when:
- You only need the audio from a video
- You want to listen to your own video as an audio file
- You recorded a lecture or presentation and want the audio separately
- You want to extract speech from your own recording
- You want a smaller file that contains audio instead of video
An MP3 file is usually much smaller than the original video, making it easier to store and share when the video itself isn't needed.
How to convert MP4 to MP3
With Ident Convert:
- Upload your MP4 video.
- Ident Convert identifies the file type.
- Choose MP3 as the output format.
- Convert the file.
- Download your MP3 audio file.
The original video is not needed after you've downloaded the extracted audio.
Will converting MP4 to MP3 reduce quality?
Yes, some audio quality can be lost because MP3 uses lossy compression.
However, for speech, podcasts, lectures, and many everyday recordings, MP3 can provide a good balance between audio quality and file size.
The quality of the final MP3 also depends on the audio contained in the original video. Converting a low-quality recording cannot make the resulting audio higher quality than the original.
What can I use the MP3 file for?
Once the audio has been extracted from your own video, you can use the MP3 for things such as:
- Listening without keeping the video
- Storing audio separately
- Sharing a smaller audio file
- Using the recording in an audio player
- Keeping a backup of the audio from a personal recording
Are my videos safe when using an online converter?
Videos can contain private conversations, personal recordings, or other sensitive information, so it's important to understand how an online converter handles uploaded files.
Ident Convert processes uploaded files for conversion and does not keep them permanently. Files are removed after processing according to the site's privacy practices.
For private recordings, always check the privacy policy of the service you use before uploading your files.
Frequently asked questions
Are the files deleted from the server afterward?
Yes. Ident Convert processes your file only to perform the conversion and does not keep it afterward — see the Privacy Policy for the exact details.
Does converting MP4 to MP3 reduce quality?
Some quality loss is expected since MP3 is a lossy format, but for speech and everyday recordings it's rarely noticeable. If you need the closest match to the original, keep the MP4 as a backup.
Can I convert several MP4 videos at once?
Not yet — Ident Convert currently handles one file per conversion. Batch upload is something we're considering for a future update.
Do I need to create an account?
No. Uploading and converting a file doesn't require signing up.
Related guides
- How to Convert MOV to MP4 Without Losing Quality
- How to Convert HEIC to JPG
- How to Convert WebP to JPG or PNG
Convert MP4 to MP3
Have your own MP4 video and only need the audio?
Upload it to Ident Convert, choose MP3, and extract the audio in a few simple steps.
Convert MP4 to MP3