Tip: Are you a non-native English speaker? I have just finished creating a 
Web App for people who enjoy learning by reading. Make sure to check it out; there's a lot of free content.
The Threads app compresses profile pictures into tiny circles, hiding the original image details.
In the developer tools panel that opens, look at the highlighted HTML code. Find the tag associated with the profile picture. threads profile picture downloader full
By the way, have you already seen my brand new web app for non-native speakers of English? It's based on reading texts and learning by having all meanings, pronunciations, grammar forms etc. easily accessible. It looks like this:
