Number Base Converter
Convert numbers between binary, octal, decimal, and hex — BigInt-safe, with bitwise ops.
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Convert numbers between binary, octal, decimal, and hex — BigInt-safe, with bitwise ops.
Accepts 0b, 0o, 0x prefixes. Underscores and spaces are ignored. Negatives welcome.
1101 1110 1010 1101 1011 1110 1110 1111336533373573735928559DE AD BE EFout of range37359285593735928559373592855911011110101011011011111011101111000000000000000000000000000000001101111010101101101111101110111100 00 00 00 DE AD BE EFEF BE AD DE 00 00 00 00Pure BigInt math — works on numbers larger than 253. Everything stays in your browser; nothing is sent to a server.