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Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Binary (base 2)
0b11111111
Base 2
Octal (base 8)
0o377
Base 8
Decimal (base 10)
255
Base 10
Hexadecimal (base 16)
0xFF
Base 16
About Number Base Converter
Number Base Converter translates numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) simultaneously. It's an essential tool for programmers, computer science students, and hardware engineers. All four bases are shown at once for easy comparison.
- Simultaneous binary, octal, decimal, hex
- Instant conversion as you type
- Supports uppercase hex output
- Works with large numbers