Last updated on 2026-03-31

How to View PDF with Tenorshare PDNob PDF Editor

PDNob PDF Editor 2.0 introduces a fully upgraded reading mode—smoother, smarter, and more professional. You can now enjoy multi-theme reading, adapting effortlessly to any environment for a comfortable and personalized experience. Below are the key ways to optimize how you view PDFs.

1. Page Display Modes

PDNob PDF Editor provides several page layout options to control how your PDF is displayed. At the bottom toolbar of PDNob PDF Editor, the View Mode allows you to choose how pages are displayed. Select the layout that best suits your reading style:

  • Single Page: Displays one page at a time without scrolling.
  • Two Page: Shows two pages side by side, providing a book-like view.
  • Continuous: Scroll vertically through all pages for a smooth, uninterrupted reading experience.
  • Cover View: Displays the first page as a separate cover, followed by two pages side by side.
pdf page display modes

2. Adjust Viewing Size

You can quickly modify the zoom level and page fit settings to improve readability. The following options are available for adjusting how content appears on your screen:

  • Fit Height: Scales the page to match the height of the viewing window.
  • Fit Width: Expands the page to fill the width of the window.
  • Actual Size: Displays the document at 100% zoom.
  • Fit Window: Automatically adjusts the page to fit entirely within the window.
  • Full Screen: Switches to a distraction-free full-screen reading mode.
pdf zoom and view settings

3. Read PDF in Dark or Light Mode

PDNob PDF Editor now lets you personalize your reading experience with different themes and background colors. You can select from three main themes—Light, Dark, or System-Adaptive—and six background modes to suit any environment, making long reading sessions more comfortable and immersive.

Available Themes:
  • Light: Bright interface suitable for daytime reading or well-lit environments.
  • Dark: Dark interface designed to reduce eye strain in low-light or night settings.
  • Adapt to System: Automatically adjusts the theme based on your system settings.
Background Modes:
  • Default: Standard white background for everyday use.
  • Day: Optimized for bright environments, minimizing glare and enhancing clarity.
  • Night: Dark background that protects your eyes in dim or night-time conditions.
  • Eye Protect: Soft-toned background that reduces blue light and eye fatigue.
  • Parchment: Simulates warm, traditional paper, ideal for long documents.
  • Dark Reading Mode: Extra dark background for deep-focus reading in dark environments.

To change themes, click the "Them" icon at the bottom of the editor. Then pick your preferred theme or background color.

theme and background modes

4. Navigating a PDF

Moving through a document is fast and intuitive with built-in navigation tools:

  • Use the '+' and '-' controls near the zoom indicator to adjust magnification.
  • Enter a page number directly to jump to a specific location.
  • Scroll or use navigation buttons to move between pages smoothly.
pdf navigation tools

5. View Multiple PDFs

PDNob also supports working with multiple documents simultaneously, making it easier to compare or switch between files.

  • Click the "+" icon in the top toolbar to open an additional file.
  • Select Open File to load another PDF into a new tab or window.
open multiple pdf files

You can organize documents in tabs or separate windows, depending on your workflow preferences.