Scala Base64 encode and validated decode

import java.nio.charset.StandardCharsets.UTF_8
import java.util.Base64
import scala.util.Try

def encodeBase64(text: String): String =
  Base64.getEncoder.encodeToString(text.getBytes(UTF_8))

def decodeBase64(text: String): Either[String, String] =
  Try(Base64.getDecoder.decode(text))
    .map(bytes => new String(bytes, UTF_8))
    .toEither
    .left.map(error => s"invalid base64: ${error.getMessage}")