---
schema_version: "1"
id: 1c63a9310b8367bdd2cee055d0ecd4680d8668deb7308d884304532d140e710f
title: fromHex
collection: mulesoft
version: current
locale: en-us
portal_url: https://docs.salesforce.com/mulesoft/current/en-us/dataweave/2.4/dw-binaries-functions-fromhex.md
canonical_url: https://docs.mulesoft.com/dataweave/2.4/dw-binaries-functions-fromhex
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 877a20112ce3cc1db6a289b1dd847be92d265cffeb8520f3af807aa96f5ac2b3
description: MuleSoft Documentation Site
release: "2.4"
latest: false
---
---
product: DataWeave
version: 2.4
---

# fromHex

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## fromHex(hexString: String): Binary

Transforms a hexadecimal string into a binary.

### Parameters

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p><code>hexString</code></p></td><td><p>A hexadecimal string to transform.</p></td></tr></tbody></table>

### Example

This example transforms a hexadecimal string to "Mule". To make the resulting type clear, it outputs
data in the `application/dw` format.

#### Source

```DataWeave
%dw 2.0
import * from dw::core::Binaries
output application/dw
---
{ "hexToBinary": fromHex("4D756C65") }
```

#### Output

```JSON
{
   hexToBinary: "TXVsZQ==" as Binary {base: "64"}
}
```