> For the complete documentation index, see [llms.txt](https://mostafaznv.gitbook.io/pdf-optimizer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mostafaznv.gitbook.io/pdf-optimizer/getting-started/license.md).

# License

Our software is open source and licensed under the [MIT license](https://choosealicense.com/licenses/mit/). You are free to use the software as you like. The code can be forked and modified, but the original copyright author should always be included!

{% hint style="warning" %}
**License Notice**

This package is licensed under the MIT License.

It <mark style="color:red;">does not</mark> include the Ghostscript. However, it requires Ghostscript to be installed on the server in order to function. Ghostscript is licensed separately under the <mark style="color:red;">AGPL</mark> or a <mark style="color:red;">commercial license</mark> from Artifex. If you choose the AGPL version of Ghostscript, you <mark style="color:red;">must</mark> comply with the AGPL terms in your own application.

Please ensure you have the appropriate Ghostscript license for your use case.
{% endhint %}