You want easy answers without testing.
If you do what Sumit1334 said, it works…
If you put a url in a Texbox or take it out of a text label or wherever, when you save it in Firebase, it is saved as follows:
"\"https:\\/\\/upload.wikimedia.org\\/wikipedia\\/commons\\/a\\/aa\\/Monica_Bellucci_2006.jpg\""
But when you use the blocks to get the data in Firebase and put it in a Label, it looks right:
You get this:
