---
title: "Normalizer"
slug: "dataflow-nodes-normalizer"
updated: 2025-10-21T04:38:07Z
published: 2025-10-21T04:38:07Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.knovvu.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Normalizer

It converts textual expressions such as numbers and dates within the text into numerical form. Accepts text from one or multiple channels.

## Parameters

| name | description | default |
| --- | --- | --- |
| IgnoreSslErrors | Ignore any certificate errors if normalizer address contains https | false |
| Language | Information about the language to which the text belongs is provided for applying the inverse text normalization process | en-US |

## Inputs

### Audio

none

#### Events

| name | description | known nodes that generate this event |
| --- | --- | --- |
| * | all events containing the 'Text' attribute | [SR Http](/v1/docs/dataflow-nodes-speech-recognition-sr-http) |

## Outputs

### Audio

none

### Events

| name | description |
| --- | --- |
| * | Adds the normalized version of the input text to the input event. Adds "inverseTextNormalized" to Event.Data.TextAttributes |

## Remarks

### Project Structure

A minimal sample project can be built as such:

<center data-tomark-pass="">
<p><img src="https://cdn.document360.io/9bca2910-6a3b-4224-9470-43f91f9a6d57/Images/Documentation/image%28896%29.png" alt="image.png"></p>
</center>

A project that utilizes every text manipulation service can be built as such:

<center data-tomark-pass="">
<p><img src="https://cdn.document360.io/9bca2910-6a3b-4224-9470-43f91f9a6d57/Images/Documentation/image%28894%29.png" alt="image.png"></p>
</center>

### Supported flow types

Stream, Batch

## Release Notes

    
      

****v4.4.0****

        
        

- Changed text attribute to "inverseTextNormalized"

     
    

****v4.0.0****

        
        

- Removed the address field..

     
    

****v3.4.0****

        
        

- Fixed a bug that made normalization fail if SR results had Recognized Word Info in them.

    
    

****v1.0.0****

        
        

- Introduced node.