> ## Documentation Index
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# Camel.utils.filename

<a id="camel.utils.filename" />

<a id="camel.utils.filename.sanitize_filename" />

## sanitize\_filename

```python theme={"system"}
def sanitize_filename(
    url_name: str,
    default: str = 'index',
    max_length: int = MAX_FILENAME_LENGTH
):
```

Sanitize a URL path into a safe filename that is safe for
most platforms.

**Parameters:**

* **url\_name** (str): The URL path to sanitize.
* **default** (str): Default name if sanitization results in empty string. (default: :obj:`"index"`)
* **max\_length** (int): Maximum length of the filename. (default: :obj:`MAX_FILENAME_LENGTH`)

**Returns:**

str: A sanitized filename safe for most platforms.