Monkey Raptor

Google Chrome

Hit F12 or CTRL + SHIFT + J to open browser console.

Click the opened console, then hit CTRL + SHIFT + P, or...

Click the vertical three dots on top far right on the console, then click Run command.

Then type in capture or screenshot. Pick (click) the Capture full size screenshot.

You need to provide where to keep the screenshot. It will be an image with .png type (usually). And BAM!

A full grown screenshot is saved.

I mean full page screenshot.

Microsoft Edge

Almost similar to the above steps. But Edge has different shapes for the icons. Instead of vertical three dots, Edge has the horizontal three dots. Same location, top far right of the browser console.

The rest of the steps are similar.

And BAM!