Leiden Search Assistant is a free tool designed for Firefox users, streamlining the search for academic articles and books. It allows users to access the Leiden University Library Catalogue, Google Scholar, WorldCat, and PubMed directly from their browser. This eliminates the need to navigate to different websites, making research more efficient. Simply click the assistant, enter your search term, choose your preferred service, and initiate your search.

In addition to its straightforward search capabilities, the Leiden Search Assistant enhances your reading experience. If you come across a term or word of interest while reading an article, you can easily select it with your mouse, right-click, and explore relevant resources available through Leiden University Libraries. This feature facilitates quick access to additional information, aiding in comprehensive research.