Mark all gmail as read in one click- Both mobile and desktop trick

Recently I was looking for how to mark all Gmail read in easy way.

But I can't find any on Google.

So I found a trick of my own so I am sharing with you.

On mobile-

1)Search web Gmail on Google

2)Open the Gmail site and now click on 3 dots and tick the desktop site.

3)Now open the Gmail I'd you want your Gmail mark as read.

4)Now search this - label:inbox is:unread

5)There you will see a small box.

6)Click on it and then a blue line will appear just right to it saying that 'mail of this page is selected'.

7) Below that line you will see option to select all the Gmail.

8)Click it and now click on mail ✉️ icon.

9)Now your all mail will be mark as read in a few seconds.

Desktop-

Same step follow on website.