Converters
Binary, Decimal, Hex & Octal Converter
Type in any field and all others update instantly. Convert between base 2, 8, 10, and 16.
Quick reference examples
| Dec | Bin | Hex | Oct |
|---|
How to Use
- Type a number into any field.
- All other fields update automatically.
- Clear everything with the Clear button.
FAQ
What is hexadecimal used for?
Hex is used in programming, color codes (#FF5733), memory addresses, and encoding. Each hex digit represents 4 bits.
What's the maximum supported value?
JavaScript's safe integer limit: 2⁵³ - 1 (9,007,199,254,740,991). Larger numbers may lose precision.
Does it support negative numbers?
Not in this version — input positive integers only.