Download of Smart Base64 2.1.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Smart Base64 for Mac lies within Productivity Tools, more precisely Office Tools. We recommend checking the downloaded files with any free antivirus. This free Mac application was originally designed by Aperio Lux.
From the developer:
Smart Base64 is the best app for converting files to base64 and back again.
Convert to Base64 and back again: Images Text PDF Files and documents
You may want to check out more Mac applications, such as SMART Sync Student, SMART Response Setup Tool or Backup Smart, which might be related to Smart Base64.