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

# New subdatabase based on AUX file

Based on the `.aux` file generated by LaTeX, JabRef can create a subdatabase containing only the cited entries.

This feature is available through **Tools → New subdatabase based on AUX file**.