---
title: fromUtf8
description: "Convert a UTF-8 string to its hexadecimal representation; the inverse toUtf8 helper is also available."
keywords: ["fromutf8", "utils", "utf8 to hex", "string to hex", "tronweb"]
---
# fromUtf8 <TitleWithCodeLink2 link="fromUtf8" />

Helper function that will convert UTF8 to HEX.
And `toUtf8` function is also available.

### Usage

```JavaScript
TronWeb.fromUtf8(value)
```

### Parameter

| Parameter | Description               | Data Type |
| --------- | ------------------------- | --------- |
| value     | The value to be converted | String    |

### Returns

String - The converted HEX value.

### Example

```JavaScript
TronWeb.fromUtf8("test")
// output-start
"0x74657374"
// output-end
```