Binary / Hex / Decimal Converter
Convert exact integers between binary, decimal, and hexadecimal with strict parsing and BigInt-safe results.
Optional + or -, then digits 0 through 9 only.
Enter a decimal integer. Use an optional + or - followed by digits 0 through 9 only.
Show binary results in 4-bit chunks for easier binary-to-hex reading.
1 hex digit = 4 bits. Negative values use a minus sign, not two's complement.
Binary
Displayed in 4-bit groups; copied without spaces.
Decimal
Hexadecimal