← All tools
[ 26 / CONVERT ]
Integer Base Converter
Convert whole numbers between binary, octal, decimal, hexadecimal, and any base up to 36.
Ready when you are.
Whole numbers of any size, including negative numbers. Prefixes (0b, 0o, 0x) matching the input base, spaces, and underscores are accepted. Bases above 10 use letters a–z. Copy includes every output.
Your inputs stay in this browser. These tools do not upload your text or colors.