If you are using Microsoft Bot Framework and Bot Framework Emulator, you can't preview what the card UI looks like in other platforms (e.g. Teams) until you deploy to production. Adaptive Cards Designer helps you solve this problem by providing some awesome features...
There are two ways to use Adaptive Cards Designer:
❌ Figure: Bad example - Using Bot Framework Emulator to design the card
✅ Figure: Good example - Using Adaptive Cards Designer to design the card