🔢Number Base Converter
Convert binary, octal, decimal & hex.
About Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal instantly. Type a value in any base and see all the others. Free online number base (radix) converter for developers and students.
🔒 Private by design — this tool runs entirely in your browser. Nothing you enter is uploaded to a server.
Frequently asked questions
Which number bases are supported?＋
Binary (2), octal (8), decimal (10) and hexadecimal (16). Enter a value in any base to see all the others.