After researching and testing various AnyPorn video downloaders, here are the top options:

The veteran solution. IDM isn't specifically for adult content, but its "Video Sniffer" feature detects any video playing in Chrome/Firefox.

Adult films are copyrighted works. Downloading them without authorization from the owner is generally considered an infringement of their exclusive reproduction rights.

Netflix, Disney+, and Amazon Prime Video allow mobile users to download titles for offline viewing within the app.

Airplanes, subways, and rural areas are notorious for "dead zones." Downloading your favorite series or podcasts ensures your entertainment isn't interrupted by a weak signal.