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In order to convert a HDMI port into a USB, you need a HDMI to Thunderbolt C Adapter or USB A.
Answer (1 of 7): Why do you need a HDMI to USB? The PS4 has a HDMI slot and I'm assuming your TV does as well, therefore a direct connection can be achieved. It requires no driver and works with all applications such as Skype, Zoom, Hangout, Facebook. It is compatible with Windows, Mac OSX and Linux operating systems. QUICK-HD HDMI to USB 2.0 Encoder is the most reliable and convenient solution to capture high quality HD video with audio over USB 2.0 from your camera's HDMI output for recording, editing, videoconferencing and streaming applications. Before connecting the box, install any necessary software that comes with it if using it with a computer. Connect a HDMI cable to a USB port and vice versa, with a USB to HDMI converter box.
This is especially true for portable media players.
Many televisions can connect to devices with an HDMI cable, but many devices only have a USB port.
6 in 1 Type-C USB-C Hub Adapter Dual USB 3.0 Port Thunderbolt 3 for MacBook Pro.
Anker 7-in-1 USB C Hub 100W PD Adapter 4K HDMI SD Card Reader 2 USB-A for Laptop.