We think the Elgato Video Capture is the best VHS to digital converter - hence why it is our top recommendation. A key component is the video capture card, that turns the video signal into a digital file - and Elgato are the market leaders in this field.
But don't get your quality expectations up too high. The inherent quality of VHS is vastly inferior to the 4K video we are accustomed to seeing nowadays. You can expect a resolution of 480P at best (or 640x480 pixels).