Number Base Converter
Convert numbers between Binary, Octal, Decimal, Hex and any base instantly.
Type in any field — the others update instantly. Prefix is optional (e.g. 0x is stripped automatically).
Bits are displayed most-significant first, padded to the next nibble or byte boundary.
| Dec | Bin | Oct | Hex |
|---|
About Number Base Converter
Number Base Converter lets you instantly convert any integer between Binary (base 2), Octal (base 8), Decimal (base 10), Hexadecimal (base 16), and any custom base from 2 to 36 — all in your browser without any data leaving your device. Type a number in any field and watch the other formats update in real time. Useful for computer science students learning numeral systems, developers working with bitwise operations or memory addresses, and anyone who needs to translate between number bases quickly.