flashman
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Number Bases

bin • oct • dec • hex

Binary
101010
Octal
52
Hex
2a

About this tool

Convert integers between binary, octal, decimal, and hexadecimal. Useful for low-level debugging, permissions, and computer science learning.

Your input is processed in the browser. We do not upload tool payloads to our servers.

Common use cases

  • Decode bitmask flags from documentation.
  • Convert hex memory addresses to decimal.
  • Teach number base concepts with live examples.

Examples

Decimal 255

255 is 0xFF in hexadecimal and 11111111 in binary.

FAQ

Are fractions supported?
This tool focuses on integers. Floating-point bases are out of scope.