From “How-to Geek”
How to Access Hidden Chrome Features and Settings Using the Chrome:// Pages
Chrome is a pretty simple browser on the outside, but there are tons of pages built in for advanced settings, tweaks, tests, and more. All of these pages are hidden behind the chrome:// prefix—here’s a look at some of the best.
Before we get into that, however, it’s probably a good idea to explain how these chrome:// pages work. You enter chrome:// into the omnibox, followed by the page you want to access—think of it like a web page, but instead of http:// being the prefix, it’schrome://.
So, for example, for the first option we’re going to look at— chrome://about—you’ll just enter exactly that into Chrome’s omnibox like so:
And that’s all there is to it. You can do this for any of Chrome’s internal pages.
Chrome://About: All of Chrome’s Internal Pages in One Place
The most useful of all the chrome:// pages is probablychrome://about, because it shows all of Chrome’s other internal pages in an easy to parse (and click!) list.
As you look through the list, you’ll find that a lot of these link to specific pieces of Chrome’s settings menu—likechrome://chrome, which takes you to Chrome’s update page. Or chrome://bookmarks, chrome://apps, andchrome://newtab, all of which open those respective pages.
If you’re just learning about chrome:// pages, this is a good place to start exploring and learning the ins and outs of these hidden internal pages.
Chrome://Flags: Experimental Features and More
This is probably the most popular of all the chrome:// pages, because it’s where Google hides experimental features—things that are in the works, but not yet ready for prime time. These let you explore beta features with a simple toggle, so if issues arise you easily can revert back to the stable setting.
There are all sorts of hidden features here, just keep in mind that these are still works in progress. That means they may break other parts of Chrome or cause instability issues. They could also be removed at any point if Google decides to kill the whole idea. Still, it’s cool to explore.
And there is much more here:
https://www.howtogeek.com/104631/find-hidden-features-on-chromes-internal-chrome-pages/
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