Brainfuck Interpreter

Run, debug, and visualize esoteric code execution.

Memory Tape (Cells)

Source Code

Program Input

Steps: 0

Output

Examples

Hello World

Classic Brainfuck Hello World program

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Cat Program

Echoes input back to output (cat)

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Fibonacci Sequence

Generates Fibonacci numbers up to 89

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Multiplication

Multiplies two numbers and displays result

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Commands

> Increment pointer

< Decrement pointer

+ Increment byte

- Decrement byte

. Output byte

, Input byte

[ ] Loop while non-zero