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

# StringLength - ComfyUI Built-in Node Documentation

> Complete documentation for the StringLength node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/StringLength/en.md)

The StringLength node calculates the number of characters in a text string. It takes any text input and returns the total count of characters, including spaces and punctuation. This is useful for measuring text length or validating string size requirements.

## Inputs

| Parameter | Data Type | Required | Range | Description                                                         |
| --------- | --------- | -------- | ----- | ------------------------------------------------------------------- |
| `string`  | STRING    | Yes      | N/A   | The text string to measure the length of. Supports multiline input. |

## Outputs

| Output Name | Data Type | Description                                                                                  |
| ----------- | --------- | -------------------------------------------------------------------------------------------- |
| `length`    | INT       | The total number of characters in the input string, including spaces and special characters. |