Y-Download converts YouTube to WAV in your browser. Paste a link, pick WAV from the audio options, and shortly afterwards you have an uncompressed 16-bit PCM file that opens directly in Audacity, Premiere Pro, DaVinci Resolve, Ableton Live, Logic Pro, FL Studio, Serato and rekordbox. There is no plugin to add, no desktop converter to install and no account to create. Regular videos, Shorts, YouTube Music tracks and public playlists are all supported, and the page works the same way on Windows, Mac, Linux, iPhone and Android.
WAV is the format audio software understands best. Because the samples are stored without compression, an editor can cut, stretch, pitch-shift and mix them without decoding anything first, and there is no second lossy encode when you export your project. That is the real reason to choose WAV over MP3: not because it sounds better than the source, but because it stays exactly as good through every edit. The trade-off is size, roughly 10 MB per minute compared with about 2.4 MB per minute for a 320 kbps MP3.
A word of honesty that most converters skip: YouTube stores audio as lossy AAC or Opus at around 128–160 kbps, and a WAV made from it contains precisely that audio, decoded and written out uncompressed. It cannot recover detail YouTube already removed. If you only want to listen, the MP3 or M4A options give you a far smaller file with sound you will not be able to tell apart. If the audio is headed for a timeline, a sampler or a DJ deck, WAV is the right pick, and FLAC delivers the same lossless result in roughly half the space.