Convert and extract audio from MP4, MOV, and M4V videos to MP3. Choose 128, 192, 256, or 320 kbps quality; files are processed directly in your browser without server uploads.
Supported formats: MP4, MOV, M4V · Safe limits apply based on available browser memory
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1. Select files
Choose videos from my device
2. Process in the browser
Processed locally with no server transfer
3. MP3 ready
High-quality audio extraction
4. Download immediately
Saved directly to my device
Extracting MP3 audio from video is mainly a choice about source quality, bitrate, and intended listening use. A higher MP3 bitrate cannot recreate detail that is missing from the video’s original audio track, so the goal is to choose enough bitrate without creating unnecessarily large files.
128 kbps is usually sufficient for speech, lectures, and meeting recordings. 192 kbps is a balanced default for mixed content. 256 or 320 kbps can be useful for music when the source audio is already high quality, but the larger output does not guarantee an audible improvement.
This tool creates an audio-only MP3 from the video stream. If you need to keep the picture and reduce the video file size, use the video compressor instead. Removing the image track is why an extracted MP3 can be dramatically smaller than its MP4 source.
The conversion engine runs in the browser, so long or high-bitrate videos can consume significant CPU, memory, and battery. Desktop browsers are generally more suitable for large batches, while mobile devices should process fewer and smaller files at a time.