How to use
- Drag MP4 files into the box above or tap Choose files. You can add several at once.
- Choose the Quality. 192 kbps or higher suits music; 128 kbps is plenty for voice.
- Tap Save or Save all (ZIP) when done.
Good to know
MP4 is the most common video format. It contains both picture and sound, so if you only need the sound, the audio track can be pulled out and saved as a music file.
MP3 is the most widely supported audio format. Its lossy compression removes sounds people barely hear, keeping files small, and it plays on virtually every phone, car stereo and speaker.
Drops the picture and saves just the sound as MP3 — handy for turning lecture or interview recordings into audio, or reusing the soundtrack of your own videos.
Conversion runs inside this browser and files are never sent over the internet. Because your phone or computer does the work, long videos may take a little while.
FAQ
Does extracting audio reduce quality?
Re-encoding to MP3 loses a tiny amount, but at 192 kbps or higher most people cannot hear a difference. For an exact copy, save as WAV or FLAC instead.
Are my files uploaded?
No. Every conversion runs in your browser on your own device.
Does it work with long videos?
Yes, but it uses your device’s power, so a one-hour video may take a few minutes, and files over 2 GB may fail on phones.
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