Number Base Converter | Binary, Octal, Decimal, Hexadecimal
Free online number base converter. Convert between binary, octal, decimal, and hexadecimal easily.
Binary ConvertOctal ConvertDecimal ConvertHex ConvertAuto DetectFree to Use
Number Base Converter
Input Number
Source Base
Examples
Decimal:
255
Binary:
0b11111111
Octal:
0o377
Hexadecimal:
0xFF
Conversion Results
Enter a number and click Run to see conversion results...
Number Base Prefixes
0b
Binary prefix (e.g., 0b1010)0o
Octal prefix (e.g., 0o377)0x
Hexadecimal prefix (e.g., 0xFF)🔒We are fully aware of the significance of data privacy. This tool employs advanced local processing technology to ensure that the text you input is processed solely on your own device from beginning to end. We do not collect, store, or view any of your data.