File extension from base64

File extension from base64https://community.appian.com/discussions/f/data/17884/file-extension-from-base64Hi! How can i get the file extension of a document in base64 format, i need know the extension before calling the SmartService. My idea is get the extension os the base64 doc and then save it a a process variable because i will use it to call theen-USTelligent Community 12RE: File extension from base64https://community.appian.com/thread/70581?ContentTypeID=1Wed, 20 Nov 2019 13:52:07 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:ae7f109f-fe66-45a1-a4bf-c86d1581e582Soujanya B<p>Can you help me to get  that plugin - Base64todoc  .</p> <p>i am in 19.3 . Is it readily available plugin or appian shared components has it.</p><div style="clear:both;"></div>