base64Decode

base64Decode(string) → string · Security

Decode a Base64-encoded string back to its original value.

• string (required): Base64-encoded string to decode

{
  decoded: base64Decode("SGVsbG8sIFdvcmxkIQ==")
}
// Output: {"decoded": "Hello, World!"}

// Real-world: decode a Base64-encoded JWT payload
let payload = split($input.token, ".")[1]
let decoded = parseJson(base64Decode(payload))
{
  subject: decoded.sub
}
// Output: {"subject": "user@example.com"}