A Quiet Place uses American Sign Language (ASL) for a large portion of its dialogue.
: If you are watching on a service like Netflix , ensure that Closed Captions (CC) are turned off to allow the film's built-in sign language subtitles to appear automatically. subtitle A.Quiet.Place.2018.NORDiC.1080p.WEB-DL...
: If you only want subtitles for the parts where characters are signing (and not for the spoken lines), look for "Forced" subtitle tracks. A Quiet Place uses American Sign Language (ASL)
For this specific release, you can check these popular repositories which typically host "Proper" or synchronized versions: subtitle A.Quiet.Place.2018.NORDiC.1080p.WEB-DL...
: Known for high-quality TV and movie subtitle synchronization. Important Note on Sign Language