A couple of weeks ago, I was trying to write web service examples in AL code for VS Code. Unfortunately, at that time, it was not possible to call the Base64 methods on the TempBLOB table. And because those functions on the TempBLOB table are using .Net, I figured it was going to take a while before we get Base64 support in AL code. So I decided to write Base64 encoding / decoding routines myself. Just as an excercise and at that moment I didn’t know if I would even succeed.