Number Base Converter
Convert numbers between binary, octal, decimal, and hex — BigInt-safe, with bitwise ops.
Runs online in your browserNo installNo accountFree
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Convert numbers between binary, octal, decimal, and hex — BigInt-safe, with bitwise ops.
Runs online in your browserNo installNo accountFree
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.