I use my own editor too. I modified an existing editor to my own needs. But I do use VSC as well for multi file projects. My editor can load images as well and has a scripting language to manipulate images. I primarily use it to edit my website, which is a static website in bare HTML. It also has some 'browser' functions in the sense that F5 opens a link including jumping to an anker if there is one in the link. It does have colour coding for HTML that also checks for matching tags.