Video to Audio Converter
Extract the sound from a video and save it as a WAV file.
Extract audio from a video in seconds
Sometimes you only need the sound: a song from a concert clip, a lecture you want to listen to on the go, an interview to transcribe or a sound effect for a project. The Video to Audio Converter pulls the audio track out of a video file and saves it as a WAV file that plays on every computer, phone and audio editor.
Unlike tools that play the video in real time, this converter decodes the audio directly with the browser’s Web Audio API and writes the WAV file itself. Even a long video is usually done in a few seconds, and nothing is uploaded.
How to convert video to audio
- Drop a video onto the upload area or click to choose one. Audio files work too.
- Wait a moment while the audio is decoded. The tool shows its length, channels and sample rate.
- Optionally set a start and end time to keep only part of the audio.
- Choose mono or stereo and a sample rate if you want a smaller file.
- Press Create WAV file, listen to the result and download it.
Options
- Trim: keep only the section between your start and end times.
- Channels: keep the original layout, mix down to mono or output stereo.
- Sample rate: keep the decoded rate, or choose 48,000, 44,100, 22,050 or 16,000 Hz. Lower rates make smaller files and 16,000 Hz is plenty for speech transcription.
Why WAV?
WAV is uncompressed 16-bit audio, so there is no further loss of quality and every editor, from Audacity to professional software, can open it. The trade-off is size: stereo audio at 48 kHz uses about 11 MB per minute. Mono at 16 kHz uses under 2 MB per minute. If you need MP3, open the WAV in any audio editor and export it.
Good to know
The tool can read audio from any format your browser can decode, which normally includes MP4, MOV files with AAC sound, WebM and many audio formats. If a video has no sound track, or uses an audio codec your browser does not support, you will see a clear message instead of an empty file. Very large files need a lot of memory to decode, so on phones it is best to keep videos under a few hundred megabytes.
Popular uses
Students save lecture recordings as audio to review on a commute. Podcasters pull the sound from a video call recording before editing. Musicians grab a backing track from a rehearsal video. Transcription services and speech to text apps often prefer a mono 16 kHz WAV, which this tool can produce directly.
Frequently asked questions
Does it convert to MP3?
No. It saves WAV, which every audio app can open and convert to MP3 if you need it. WAV keeps the full quality of the decoded sound.
Why is the WAV file bigger than my video?
WAV is uncompressed, while video files store audio in a compressed form. Choose mono and a lower sample rate to make the file smaller.
Is it real time?
No. The audio is decoded and encoded directly, which is much faster than playing the video, usually a few seconds.
Is my video uploaded?
No. Decoding and encoding happen in your browser on your own device.