Need to convert base64 to image format (png,jpeg)

.Base64 Document Database Integration Smart service - will help to achieve conversion of base 64 to image ?

link: 

https://community.appian.com/b/appmarket/posts/base64-document-database-integration#:~:text=Provides%20the%20following%20two%20smart,agnostic%20and%20supports%20dynamic%20queries.&text=Get%20Base64%20Document%20from%20Database,document%2C%20returning%20the%20document%20id.