Log in
Dev Utility

進数変換ツール

10進数・2進数・8進数・16進数を相互変換。プレフィックス（0b・0x・0o）にも対応。

Tool

LIVE

How to use

  1. Enter or paste your input in the box on the left.
  2. The result appears instantly on the right - click the button if there is one, otherwise it updates automatically as you type.
  3. Copy the result or keep editing. Everything runs locally in your browser - nothing is uploaded.

What is this tool?

10進数・2進数・8進数・16進数を相互変換。プレフィックス（0b・0x・0o）にも対応。