> ## Documentation Index
> Fetch the complete documentation index at: https://webviewer-docs.mupdf.com/llms.txt
> Use this file to discover all available pages before exploring further.

# WebViewer Developer Documentation

## A customizable PDF Viewer Component for the Web

**MuPDF WebViewer** is an easy to use drop-in UI component for web pages which allows for in-context PDF viewing.

* **Easy Integration**

  Drop it into your application with just a few lines of code.

* **Built for AI**

  Designed to work seamlessly with LLMs, making it ideal for AI-powered PDF applications.

* **Responsive Design**

  Deliver a flawless experience across devices, including desktops, tablets, and smartphones.

* **View Annotations and Markups**

  With MuPDF WebViewer you get the full picture of the PDF with all the annotations retained.

* **High Performance**

  Optimized for speed and smooth navigation, even with large or complex documents.

* **Advanced Search**

  Find words quickly throughout your PDF. Search by case sensitivity or regular expression.

* **Customizable Options**

  Customize the viewer to suit your brand or display the things you need.