Turn one finished idea into platform-aware copy without rewriting it five times.
Pasting the same caption everywhere is what makes cross-posting look lazy, and it is why people give up on it. The fix is not writing five times; it is changing the first line for each platform. Keep the idea identical, change the opening to suit the place.
No. It writes text only and does not render anything.
They carry the same idea and facts in each platform's own shape. Nothing new is invented for one platform.
Yes. Every version is plain text you can change before posting.