absurdtools

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

How to use

  1. Type a number into any of the base fields.
  2. The other bases update instantly.
  3. Copy the representation you need.

Frequently asked questions

Which bases are supported?

Binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).

Does it handle very large numbers?

Yes. Conversions use big-integer math so long binary or hex values stay exact.

🔒 This tool runs entirely in your browser. Nothing you enter is uploaded, logged, or stored.

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