PDF VIEWER SDK
Easily enable a powerful and customizable PDF viewer SDK
Deliver smooth, high-performance rendering with a beautifully designed, fully customizable PDF viewer UI.
How it works
Seamlessly integrate your PDF viewer
Integrating our flexible and high-performance PDF viewer SDK is simple and efficient. Follow a few easy steps to deliver an exceptional document viewing experience for your users.
Step 1
Integrate the SDK with your app. Use our easy-to-follow documentation and APIs to embed the PDF viewer into your web, mobile, or desktop application.
Step 2
Customize the viewer interface. Adapt the UI to match your app’s design — from toolbar placement to color schemes.
Step 3
Enhance functionality. Activate advanced features like text search, zoom precision, and annotation support to deliver a truly interactive experience.
KEY FEATURES
The most advanced PDF viewer SDK on the market
Unlock a new level of PDF document interaction with an SDK that combines performance, customization, and ease of use.
PDF viewing and navigation
Seamlessly view PDFs with side-by-side or continuous scrolling modes. Control how pages are displayed — fit-to-width or fully rendered, for the perfect user experience.
Seamlessly view PDFs with side-by-side or continuous scrolling modes. Control how pages are displayed — fit-to-width or fully rendered, for the perfect user experience.
Thumbnails
A flexible, resizable thumbnail view adapts to your needs. Display page numbers or labels with dynamic resizing to ensure easy navigation through long documents.
A flexible, resizable thumbnail view adapts to your needs. Display page numbers or labels with dynamic resizing to ensure easy navigation through long documents.
Outline (table of contents)
Navigate documents efficiently with our fast, accurate outline parser that handles all PDF variants. Customizable actions let you tailor the outline functionality to your specific app requirements.
Navigate documents efficiently with our fast, accurate outline parser that handles all PDF variants. Customizable actions let you tailor the outline functionality to your specific app requirements.
Bookmarks
Nutrient provides a rich bookmark UI that enables your users to create, update, or remove bookmarks. The Bookmark API also allows you to substitute your own UI or use your own bookmark provider.
Nutrient provides a rich bookmark UI that enables your users to create, update, or remove bookmarks. The Bookmark API also allows you to substitute your own UI or use your own bookmark provider.
Dark mode
Offer an enhanced user experience with both light and dark appearances. Switch between the two seamlessly, either through the built-in settings or programmatically, to match your app and your users’ needs.
Offer an enhanced user experience with both light and dark appearances. Switch between the two seamlessly, either through the built-in settings or programmatically, to match your app and your users’ needs.
Responsive design
Adapt to any screen size with our fluid, responsive design. Full touch support and compatibility across browsers provide a smooth, cross-device experience.
Adapt to any screen size with our fluid, responsive design. Full touch support and compatibility across browsers provide a smooth, cross-device experience.
OCG layer control
Manage optional content (OCG) layers in PDFs effortlessly. Activate or deactivate layers programmatically or through an intuitive UI sidebar, maintaining their nested hierarchies.
Manage optional content (OCG) layers in PDFs effortlessly. Activate or deactivate layers programmatically or through an intuitive UI sidebar, maintaining their nested hierarchies.
Benefits
Deliver high-quality, fast rendering
Enjoy top-tier rendering without compromising on speed. Our PDF viewer SDK ensures high-fidelity output that displays every document with exceptional clarity, even in complex or large files.
Customize with flexibility
Tailor the viewer’s UI to match your app’s design. With optimized features and customizable navigation, provide your users with a seamless, feature-rich experience that feels native to your brand.
Build on a robust foundation
Rely on a battle-tested SDK that handles any PDF with ease. Whether it’s complex documents, annotations, or large files, your app will perform with rock-solid stability, ensuring reliability across devices.
Knowledge center
Frequently asked questions
Is the PDF viewer SDK accessible for all users?
Yes. Accessibility is a key focus of the PDF viewer SDK. It uses WCAG-compliant HTML rendering to ensure the viewer is accessible, particularly for users with disabilities. The responsive design and full touch support also make it usable across all device types and screen sizes, providing an inclusive and smooth user experience.
What customization options does the PDF viewer SDK offer?
The SDK offers extensive customization options for the viewer interface. You can adapt the toolbar placement, color schemes, and navigation elements to align perfectly with your app’s branding and user experience. Additionally, developers can customize features such as bookmarks, outline navigation, and optional content layers to tailor the viewer to specific app requirements.
What is the Nutrient PDF viewer SDK?
The Nutrient PDF viewer SDK is a high-performance, fully customizable software development kit that enables developers to integrate a powerful PDF viewing experience into web, mobile, or desktop applications. It supports smooth rendering, responsive design, and advanced features like annotations, bookmarks, dark appearance, and precise zoom controls to meet diverse document interaction needs.
How easy is it to integrate the PDF viewer SDK into my app?
Integrating the PDF viewer SDK into your app is straightforward and efficient. Nutrient provides easy-to-follow documentation and APIs that allow you to embed the PDF viewer in your web, mobile, or desktop app with just a few steps. You can also customize the UI to match your app’s design and add advanced features like text search and annotation support.
How easy is it to integrate the PDF web viewer SDK with other tools and frameworks, such as React or Angular?
The web viewer SDK is compatible with any JavaScript framework, including React, Next, Angular, Vue, Svelte, Blazor, Solid, Nuxt.js, and jQuery. It’s also compatible with Electron, ASP.NET, PHP, Laravel, and Rails, as well as plain HTML5, JavaScript, and TypeScript.
How secure is the PDF viewer SDK, and what security features are included?
The Nutrient SDK is based on an optimized fork of PDFium, the most trusted platform for PDF rendering. PDFium is the same PDF engine used in Chromium, Android, and countless other applications. The PDFium project is backed by Google, Microsoft, Amazon, and Dropbox.
The PDF web viewer SDK is developed with a security-conscious approach. Encrypted PDFs are supported, and they cannot be accessed without the matching password. PDF passwords are never persisted, and code commits undergo peer review and extensive testing before being merged.
Our SDK is compatible with major operating systems, including Windows, macOS, and Linux. We also offer APIs for popular languages such as JavaScript, Python, and C# to minimize the external dependencies required, simplifying the integration process.
Can the PDF web viewer SDK enable customization to match our brand’s UI/UX design?
Nutrient Web SDK makes it easy to customize every part of the user interface. Our robust API for configuring behavior and appearance lets you hide or add buttons, change the theme to match your look and feel, trigger workflows, create overlays, and much more.
How does the PDF viewer SDK ensure high-fidelity rendering across different browsers and devices?
The PDF viewer SDK has built-in mobile support for displaying your PDFs. It comes with a responsive UI that works on all screen sizes. The UI adapts to the screen automatically, providing you with a seamless experience. It provides the same features on desktop, tablet, and mobile views.
What are the system requirements for integrating the PDF viewer SDK into a web application?
A modern browser and web server are the only requirements to integrate Nutrient into a web application. There’s no dependency on frameworks such as React, Next, or Angular.