Karel Helper
Move Karel around to think through your program.
Explain, plan, and visualize your ideas.
“
It's even better than graph paper!
”
Random Section Leader, 2020
Make Karel Do Stuff
Click the map to move Karel, or use the commands below.
beepers in bag
Change Karel's World
Choose or upload a world:
Click a button then click the map to add beepers and walls.
Rows
Cols
Bonus

Karel the Robot is used in CS106A Code in Place and other intro programming courses.

Karel Helper is an interactive tool where students and teachers can visualize problem-solving approaches, even remotely. Send bugs or feature requests here!