Challenge Tools

Originally built for picoCTF writeups, but feel free to use them anywhere else.

Binary Search Tree

Visualize the halving strategy used in picoCTF’s Binary Search challenge.

Bit Shift Calculator

Perform left/right bit shifts and see the result across binary, octal, decimal, and hex.

Binary to Hex Converter

Normalize binary strings and convert them instantly to hexadecimal, decimal, and octal.

Binary Calculator

Perform binary arithmetic (add, subtract, multiply, divide) with copyable outputs in every base.