Binary, Decimal and Hex Converter
Convert signed integers between binary, octal, decimal and hexadecimal without precision loss.
How to use
Enter a signed integer.
Select the base used by your input.
Convert and copy the four representations.
FAQ
How do I use this tool?
Enter a signed integer. Select the base used by your input. Convert and copy the four representations.
Can I convert large integers?
Yes. BigInt arithmetic avoids ordinary floating-point rounding. Input is limited to 512 digits.
Does it support fractions or two’s complement?
Only integers are accepted. Negative values use a leading minus sign rather than a fixed-width two’s-complement representation.
Are my inputs uploaded?
Tool inputs are processed in your browser. Advertising makes separate requests as described in the privacy policy.