Free MP4 to MP3 Converter
Convert MP4 to MP3 for free in your browser. Extract high-quality audio from your video files instantly. Perfect for music videos, podcasts, and lectures. No upload required - 100% private and secure.
Why Use Konverton for MP4 to MP3 Conversion?
Format Conversion
Convert between MP3, WAV, M4A, AAC, OGG, FLAC, and other audio formats. Adjust quality, bitrate, and sample rate for optimal results.
Video to Audio
Extract audio from video files including MP4, AVI, MOV, MKV, and WebM. Convert your video soundtracks to any audio format.
100% Private
All conversions happen in your browser. Your files never leave your device.
Batch Processing
Convert multiple audio files at once with batch processing. Apply the same settings to all files for efficient workflow.
Technical Specifications
MP4 Input:
- Video container format
- Contains video + audio tracks
- Common codecs: H.264, H.265, AAC
- Larger file sizes
MP3 Output:
- Audio-only format
- Bitrates: 128-320 kbps
- Sample rates: 16-48 kHz
- Much smaller file sizes