# crypto/hex-encode Encode a string's bytes into lowercase hexadecimal. ## Syntax

[crypto/hex-encode $data]

## Parameters - `$data` — String to encode ## Examples

[crypto/hex-encode "hello"]    # 68656c6c6f
[crypto/hex-encode $payload]

## Returns Lowercase hex string of length `2 * len($data)`. ## See Also `crypto/hex-decode`, `crypto/b64-encode`, `crypto/sha256`