Is MP3 the only output format?
No. MP3 is preselected as a convenient default, including on pages named “to MP3,” but you can choose AAC, M4A, WAV, OGG, Opus, or FLAC from the output menu.
The first audio track from the video will be extracted.
Audio
Trim
All processing happens in your browser. Files are never uploaded to any server.
The first extraction may take longer while your browser loads the media engine, and large videos need more device memory.
Convert MP4 video to an audio-only MP3 file locally in your browser without uploading it.
Use this converter when you need an audio-only MP3 copy of an MP4 video for listening, transcription, podcast editing, or reusing its soundtrack. MP3 is preselected when the page opens.
The MP4 file is processed locally in this browser tab and is not uploaded by this tool.
Typical use cases:
Popular related conversions:
You can also adjust bitrate, sample rate, channels, volume, and trim settings before conversion when you need more control over the output.
No. MP3 is preselected as a convenient default, including on pages named “to MP3,” but you can choose AAC, M4A, WAV, OGG, Opus, or FLAC from the output menu.
Yes. Open Options and set the Start and End times before extracting. Leave them blank when you want the complete audio track.
The tool extracts the first audio track. If a video contains several languages, commentaries, or other audio streams, use a track-aware editor when you need a different one.
No. The selected video is processed in this browser tab and is not uploaded to a server by this tool.
Processing time depends on the video's duration, file size, output settings, and your device. The first extraction may also take longer while the browser prepares the required media tools.