Tools
🔢 Number Base Converter
Convert numbers between decimal, binary, hexadecimal, and octal — live as you type.
Decimalbase 10
Binary0b
0b
Hexadecimal0x
0x
Octal0o
0o
Edit any field — all others update instantly. Integer values only.
About this tool
Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) instantly. Useful for programming, debugging memory addresses, and understanding bit fields.