Base64 URL encoding using C# might be a little bit trickier than you think: https://jonathancrozier.com/blog/base64-url-encoding-using-c-sharp
Base64UrlEncoder
Base64 URL encoding using C# might be a little bit trickier than you think: https://jonathancrozier.com/blog/base64-url-encoding-using-c-sharp
Base64UrlEncoder