> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.popup-builder.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to Use the PDF Extension

 The **PDF extension** is a great tool for displaying your PDF documents inside the popup.

|| The extension is paid and can be purchased both within [the bundles](https://popup-builder.com/pricing/) or as a [single extension](https://popup-builder.com/product/pdf-popup/).

Once you are done with the purchase, make sure to install it like this:

* If it is purchased within bundle, check [the following article](/en/article/how-to-install-bundle-paid-version-3364s5/).
* In case of the single extension, [the following article needs](/en/article/how-to-install-a-single-extension-1gc5noh/) to be checked.

### Steps to create the PDF popup

1.  From your WordPress dashboard open the Popup Builder and click on the **Add New**.

![](https://storage.crisp.chat/users/helpdesk/website/3fee58eaeb6dda00/screenshot8_1hi16b.png)

2. Choose the ** PDF** popup type from the menu bar.


![](https://storage.crisp.chat/users/helpdesk/website/3fee58eaeb6dda00/screenshot15_nluzn5.png)

3. Add a title for the popup and press on the **''Upload''** button from the **Upload .pdf file** option. After, choose the appropriate PDF file.



![](https://storage.crisp.chat/users/helpdesk/website/3fee58eaeb6dda00/add-new-popup-wp6-wordpress_12magz.png)

### Steps to customize the PDF popup

* **PDF Zoom Level**: set the appropriate zoom volume for the document. 
     Available options are:

1. **Automatic**
2. **Full width**
3. **In percentages** ( 25%, 50%, 75%, 125%, 150% and 200%)

* **Default selected page**: enter the number of the page that you wish to be shown in the popup after opening.

| Note: it will be better to set Automatic zoom level in case you are setting a specific opening page for the PDF.

### Available options within the Toolbar of the PDF popup

* Presentation Mode
* Print
* Download
* Current View
* Go to the First Page ( if the PDF file includes more than 1 page)
* Go to the Last page
* Rotate ClockWise
* Rotate Counterclockwise
* Text Selection Tool
* Hand Tool
* Page Scrolling
* Vertical Scrolling
* Horizontal Scrolling
* Wrapped Scrolling
* No Spreads
* Odd Spreads
* Even Spreads


![](https://storage.crisp.chat/users/helpdesk/website/3fee58eaeb6dda00/screenshot19_1ly8wea.png)