# ROT13, ROT47

ROT13 (rotate by 13 places), ROT47 (rotate by 47 places) are simple letter substitution ciphers.

### Decode <a href="#decode" id="decode"></a>

[**CyberChef**](https://gchq.github.io/CyberChef/) is useful online tools to decode ROT13, ROT47.

<br>

### Encode <a href="#encode" id="encode"></a>

#### ROT13 <a href="#rot13" id="rot13"></a>

```
echo hello | tr 'A-Za-z' 'N-ZA-Mn-za-m'
```