I can't exactly remember what JPG and ZIP look like, but yeah pretty much, I've done it before. What's surprising is that it works on Twitter. I tried the same

I can't exactly remember what JPG and ZIP look like, but yeah pretty much, I've done it before. What's surprising is that it works on Twitter. I tried the same thing with image hosts and the data got scrubbed. I guess they don't re-encode small images but I dunno.