When you receive untrusted documents, for example, email attachments, *[Dangerzone](https://dangerzone.rocks/)* allows you to convert them into safe PDFs before opening.
1<p>2<i>Dangerzone3</i> is created by 4<a href="https://freedom.press/">Freedom of the Press Foundation5</a>, a nonprofit that protects public-interest journalism. Edward Snowden and Laura Poitras are on its Board of Directors.6</p>
Tails also includes [[*Metadata Cleaner*|doc/sensitive_documents/metadata]] to clean files, but the use cases for *Dangerzone* and *Metadata Cleaner* are very different.