Rendering or deleting emoji

Question

I\'m pulling tweets from Twitter and want to show them on a web page, but instead of emoji I only see boxes for characters like

Answer 1

Please, please, never blindly delete chunks of text, especially not just because you can't see or understand them; it destroys information. Someone put them there for a reason; tweets containing emoji often don't make any sense without the emoji.

For what it's worth, what you're seeing isn't really "binary"; it's most likely a small square with the Unicode codepoint spelled out in hex. For