Free, no ads, highest control. Cons: Command-line interface scares beginners.
If you still need the file in FLAC format for specific device compatibility: Online Converters : Sites like
allows you to upload them to your private cloud library. This lets you stream your high-quality files to any device, even though the service doesn't yet natively stream in lossless quality to all users. to automate this, or do you prefer a visual interface
Example yt-dlp command: