# Normalise Unicode

Transform Unicode characters to one of the Normalisation Forms. Normalise Unicode lives in the **Data format** category of the `fx` menu. See [Unicode Normalization Forms](https://unicode.org/reports/tr15/) for format details.

## Parameters

| Parameter   | Type   | Required | Default | Description                                            |
| ----------- | ------ | -------- | ------- | ------------------------------------------------------ |
| Input       | string | yes      | —       | Value to transform. Previous step output or a literal. |
| Normal Form | string | no       | `NFD`   | Choose one of: `NFD`, `NFC`, `NFKD`, `NFKC`.           |

`Input` is the primary value (previous step output or a literal).

## Returned value

| Type     | Description                                     |
| -------- | ----------------------------------------------- |
| `string` | Result of the Normalise Unicode transformation. |

## Example

<details>
<summary>Normalize Unicode text</summary>

Transform Unicode characters to one of the Unicode Normalization Forms so equivalent strings compare consistently.

1. Set **Input** to the text that may use composed or decomposed characters.

2. Choose the normalisation form required by your downstream system.

3. Confirm **Output value** is the normalised string.

</details>