---
title: hex.bytes() function
description: >
  `hex.bytes()` converts a hexadecimal string to bytes.
menu:
  flux_v0_ref:
    name: hex.bytes
    parent: contrib/bonitoo-io/hex
    identifier: contrib/bonitoo-io/hex/bytes
weight: 301

---

<!------------------------------------------------------------------------------

IMPORTANT: This page was generated from comments in the Flux source code. Any
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`hex.bytes()` converts a hexadecimal string to bytes.



##### Function type signature

```js
(v: string) => bytes
```

{{% caption %}}
For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
{{% /caption %}}

## Parameters

### v
({{< req >}})
String to convert.




## Examples

### Convert a hexadecimal string into bytes

```js
import "contrib/bonitoo-io/hex"

hex.bytes(v: "FF5733")// Returns [255 87 51] (bytes)


```