Get the sound from a video, or change an audio format.
Drop a video or an audio file.
MP3 works almost everywhere. WAV is lossless but large.
Play the result, then save it.
No. It is converted by your browser.
Drop the video, keep MP3 selected and press Convert. Only the sound is saved.
MP3 for sharing, M4A for Apple devices and good quality at a small size, WAV for editing, OGG for open formats.
It mixes the sound into one channel, which makes the file about half the size. It is fine for speech.