> For the complete documentation index, see [llms.txt](https://docs.signlayer.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.signlayer.net/signlayer-overview.md).

# SignLayer OverView

SignLayer is a powerful and versatile server application designed to simplify the process of signing and validating various document formats. With SignLayer, you can ensure the integrity and authenticity of your documents through digital signatures and certificate verification. Whether you need to sign PDFs, XML files, or Excel spreadsheets, SignLayer has you covered.

### &#x20;<a href="#user-content-features" id="user-content-features"></a>