# bytes.to_base64

## Function

Convert Bytes to Base64 text.

## Syntax

```bt
bytes(value).to_base64(mode)
```

## Parameters

| Parameters | Type | Required | Default value | Description |
|------|------|------|------|------|
| mode | String/Int | No | Standard Base64 | Optional `standard_no_pad`, `url_safe`, `url_safe_no_pad`, also compatible with base64 library's 0 to 3 numeric mode. |

## Return value

| Type | Description |
|------|------|
| String | Base64 text. |

## Code Example

```bt
data = bytes('BT')
text = data.to_base64()

// Output: QlQ=
print text
```

## Notes

- To parse Base64 use `bytes(text, 'base64')` or `bytes({base64: text})`.