> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Automatically apply a filter to uploaded images

In certain printing methods, it may be required to utilize a filter on uploaded images (such as PNG or JPEG), such as the Grayscale filter.

You can do that in the **main settings > Element Properties > Custom Images**:

![](https://storage.crisp.chat/users/helpdesk/website/-/b/6/d/9/b6d9ea9a4f8cd000/3eda6f61-5ec0-47ab-b51b-5dacb6_ft72h.png)