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Binary / Hex Converter

Convert a value between binary, octal, decimal, hexadecimal and a single character, live in both directions.

  1. Type a value in any base
  2. The other bases update instantly

Binary grouped: 0010 1010 · 6 bits

Frequently asked questions

Which number bases are supported?
Binary (base 2), octal (base 8), decimal (base 10) and hexadecimal (base 16), plus a matching single character view (e.g. its ASCII/Unicode code point).
How does the character conversion work?
Enter a value in any base and, if it corresponds to a valid character code, the matching character is shown alongside the other bases.
Does it update as I type?
Yes — type a value in any one of the fields and the others recalculate instantly in both directions, no separate "convert" step needed.
Is my input sent to a server?
No. All conversions run entirely in your browser — nothing you type is uploaded or stored.
Do I need to install anything or sign up?
No. It runs entirely in your browser — no software install, no account, no email required.
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