Convert MP4 to MP3 Free - No File Upload
Extract audio from MP4 files and convert to MP3 in your browser. 100% private, no hidden limits.
Perfect for extracting podcast audio from video recordings, saving music from concert videos, or creating audio-only versions of tutorials and lectures to save storage space.
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Supported formats: MP4, WEBM, MOV, M4A, OGG, WAV
Limits: 100 MB, 30 minutes
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How to Convert MP4 to MP3
Select your MP4 file
Drag or select the MP4 video you want to extract audio from
Automatic conversion
We extract the audio and convert it to MP3 in seconds
Download your MP3
MP3 file ready to play on any device
Frequently Asked Questions - MP4 to MP3
Why convert MP4 to MP3?
MP4 files contain video and audio, taking up a lot of space. If you only need the audio (music, podcasts, recordings), converting to MP3 reduces the size by up to 90% while maintaining good quality.
Does MP3 maintain the quality of MP4?
We offer quality options from 128 kbps (standard) to 320 kbps (high quality). If the original MP4 audio was high quality, the MP3 will be virtually indistinguishable to the human ear, especially at higher bitrates.
What types of MP4 videos can I convert?
You can convert any MP4 video file you own or have rights to use - personal recordings, screen captures, legal downloads, or content you created. Just drag the MP4 file into the converter.
Is it legal to convert MP4 to MP3?
Converting your own files or files you have the right to use is completely legal. Make sure to respect the content's copyright.
How much does it reduce the file size?
Example: a 200 MB MP4 (video + audio) converts to ~60 MB of MP3 audio. Typical reduction of 70-90% depending on the original video.
Can I extract just a portion of the video's audio?
Currently, we convert the entire video's audio track. If you need a specific section, use a video trimmer first (like Windows Video Editor or QuickTime) to cut the video, then convert the trimmed file to MP3.