Expect to heavily edit the MIDI afterward. No free web tool gives studio-quality results.
Tested three “free YouTube to MIDI” websites. None delivered usable MIDI for rock, pop, or orchestral music. youtube to midi free
The process of converting a YouTube video to a MIDI file typically involves the following steps: Expect to heavily edit the MIDI afterward
If the direct converters aren't accurate enough, use this two-step process. It uses Spotify’s open-source AI, which is currently one of the best for pitch detection. youtube to midi free
The only case it worked acceptably was a solo flute recording. For anything else, you’re better off using a DAW (e.g., Reaper free trial) with a pitch-to-MIDI plugin or manually transcribing.