Not a website thus definitely not what you're looking for, but yt-dlp is a nice CLI tool to download videos/audios from YouTube and a lot of other websites in pretty much whatever format/quality you want.
There are a multitude of mobile apps that bundle yt-dlp with a gui, I use Seal.
Not a website thus definitely not what you're looking for, but yt-dlp is a nice CLI tool to download videos/audios from YouTube and a lot of other websites in pretty much whatever format/quality you want. There are a multitude of mobile apps that bundle yt-dlp with a gui, I use Seal.