Base Converter (Decimal, Binary, Hex) Code

Base Converter – Decimal, Binary & Hexadecimal

Easily convert between DEC, BIN, and HEX formats instantly.

Convert Between Decimal, Binary, and Hexadecimal

Invalid Decimal input.

Invalid Binary input (must be 0 or 1).

Invalid Hexadecimal input (must be 0-9, A-F).

What Is a Base Converter?

A base converter allows you to change numbers between different numeral systems. The most common bases are:

Decimal (Base 10) – Used in everyday counting.
Binary (Base 2) – Used inside all computers and digital systems.
Hexadecimal (Base 16) – Used in programming, color codes, and memory addressing.

This tool helps programmers, developers, students, and engineers quickly convert values between these three essential number systems with instant results.