CodeFlip visualizer: see what your code does, step by step

CodeFlip Example

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Opens at Short link (saves the program on CodeFlip)

Works anywhere you can paste HTML: class pages, Google Sites, Canvas, blogs. Adding it to your site?

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Language

Program input (optional, for input(), prompt(), Scanner, scanf or cin)

Files (optional, for programs that open files)

or drop text files here

Live: show the visualization beside the code and update it as you type

Keep programs short: a few dozen lines and a few hundred steps are easiest to follow.