You probably have a number of websites you regularly frequent that are more "application" than typical sites -- for example, your blogging platform, a work-related site, Google Calendar, or maybe an online retailer. These days, many sites you visit probably look and feel more like apps and less like traditional websites. 

Also: How to use ChatGPT to create an app

I have a number of sites I use every day (such as content management systems, admin tools, invoicing sites, and more). Sure, I can just open those in regular browser tabs and even pin those tabs for easy access. My problem is I typically already have a ton of tabs open in my web browser, so adding another tab can get messy. 

I could use tab management, but not every browser handles that feature well. On top of that, there are some sites I'd prefer to A) work with as a more traditional app in its own window and B) quickly access from my desktop menu.

Also: My favorite keyboard shortcut of all time (and it works on every browser)

If that sounds like you (and you use the Chrome browser), there's a feature that's been around for some time that makes it easy for you to create a web app from those sites. Before you get confused, you're not actually building a web app. Instead, Chrome can turn any site you use into what appears like an application, isolated from the browser, in its own window. The site is still served up and rendered in Chrome, only missing many of the bits that would identify the window as a web browser.

Think about it: Instead of opening your browser and then opening yet another tab for the site in question, you simply click on your desktop menu and open the web app for that site. The site in question will open in its own window, minus all the typical browser features (no toolbars, bookmarks, address bars