To summarize the best path forward:
Facebook (now Meta) owns the copyright to the specific audio recordings of their notification sounds. While downloading a short sound effect (under 1-2 seconds) for personal, non-commercial use (like your personal ringtone) generally falls under fair use/de minimis principles, you cannot sell the sound or use it in a commercial product without permission. facebook notification sound mp3 download best top
The Echo of a Click: The Evolution of the Facebook Notification Sound To summarize the best path forward: Facebook (now