CryptoBlocks is a visual coding platform where you build programs by snapping blocks together. Each block is a real function — it takes input, does something, and produces output. Wire them together and you’ve got a working program.

But here’s what makes it different from every other block-based tool: you can see the code.

Every block generates real JavaScript or Python. Not a pretend language. Not a simplified version. The actual code that professional developers write every day. Toggle the code view and watch your blocks become functions, variables, and loops in real syntax.

How It Works

Snap. Drag blocks from the Brick Bin on the left. Connect them together. Hit Run. See what happens in the output panel.

Peek. Toggle the code view to see what your blocks are doing under the hood. Flip between JavaScript and Python with one click. Same program, two languages.

Build. When you’re ready, create your own blocks. Write the function, define the inputs and outputs, write a test, and hit Build. If it passes, it becomes a block with your name on it.

Who It’s For

We built CryptoBlocks for anyone who’s curious about programming but isn’t ready to stare at a blank text editor. You might be 12. You might be 42. Doesn’t matter. If you want to understand how code works by building things, this is your tool.

Right now, there are 49 blocks across 7 categories: Basics, Math, Text, Logic, Lists, Data, and Web. Over 60 challenges across 13 themed packs test your skills. And dual-language execution means everything you build runs as real JavaScript or Python in your browser.

No installs. No accounts needed. Open the app and start building.