# Hex2dec - Sysinternals | Microsoft Learn

Author: Mark Russinovich\
Published: July 4, 2016 — Last updated: 10/18/2023

Hex2dec is a small command-line utility that converts numbers between hexadecimal and decimal formats so you don't need to open a calculator.

Key points:

* Usage: hex2dec \[hex|decimal]
* To specify a hexadecimal input, prefix the value with `x` or `0x` (examples below).
* Examples:
  * Convert decimal 1233 to hexadecimal: {% code title="Example" %}

    ```
    hex2dec 1233
    ```

    {% endcode %}
  * Convert hexadecimal 0x1233 to decimal: {% code title="Example" %}

    ```
    hex2dec 0x1233
    ```

    {% endcode %}- Download: <https://download.sysinternals.com/files/Hex2Dec.zip> (578 KB)
* Supported platforms:
  * Client: Windows Vista and higher
  * Server: Windows Server 2008 and higher
  * Nano Server: 2016 and higher

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