> ## 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/-/5/1/2/6/51261bb48a7c0c00/a3716ef2-f772-4a8b-a845-53d6dc_iy56xc.png)