---
title: fromAscii
description: "Converts an ASCII/UTF-8 string to its hex string representation prefixed with 0x."
keywords: ["fromascii", "utils", "ascii to hex", "string to hex", "fromutf8"]
---
# fromAscii <TitleWithCodeLink2 link="fromAscii" />

Helper function that will convert ASCII to HEX

### Usage

```javascript
TronWeb.fromUtf8(value);
```

### Parameters

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

### Returns

String - The converted hex string.

### Example

```javascript
TronWeb.fromUtf8("test");
// output-start
'0x74657374'
// output-end
```