We have Binary to base 64 and Base 64 to binary already available in OS but for converting The File's URL to Base 64 is not available. So, use this component to fulfil that.

This OutSystems Forge component converts a file's URL to a Base64 string. It fetches the file, processes it, and returns the Base64 representation. 

Here we uses C# to achieve this. All you need to do is just taking our action as dependency and use it in your application. Please use try now check how it's working.