Trusted by the world’s leading companies
Why do you need our PDF Viewer?
It enables seamless PDF viewing inside your app without relying on external tools or complex integrations. Our PDF Viewer delivers pixel-perfect rendering, instant loading, and advanced features like annotations, form filling, and AI-powered document intelligence, all with enterprise-grade security and full customization. It’s trusted by leading businesses to power fast, secure, and intelligent document experiences.
View and interact with PDFs in real time—highlight, annotate, fill forms, and add signatures effortlessly.
Enterprise-ready PDF viewing power
Unlock insights from every PDF
Our PDF Viewer goes beyond viewing; it understands your documents. With integrated AI capabilities, it can extract key information, summarize content, identify form fields, and enable smart search experiences directly within your app. Developers can extend these features to build intelligent document workflows, automate classification, or integrate with other enterprise AI systems, all while maintaining security and performance.
- Enables intelligent text and form field extraction.
- Supports AI-based content analysis and summarization.

Delivers true-to-source accuracy
Our PDF Viewer ensures every document is rendered with uncompromising precision. From text and vector graphics to embedded fonts and images, everything appears exactly as authored. It preserves layout, typography, and fidelity across all platforms.
- Maintains 100% layout and font integrity.
- Ensures consistent rendering across browsers and devices.

Optimized for large documents
Our PDF Viewer is engineered for speed and scalability. Whether it’s a single-page brochure or a thousand-page technical manual, documents open quickly, with smooth scrolling and zero lag. The rendering pipeline is optimized to load and display pages on demand, reducing memory usage while keeping interactions fluid. This makes it ideal for apps that handle large or complex PDFs, providing a responsive and reliable experience even on lower-end devices.
- Support for on-demand and progressive loading.
- Delivers smooth navigation for large PDFs.

No data leaves your app
Our PDF Viewer is built with security at its core. All PDF processing, from rendering and annotation to form filling can be handled entirely within your application, ensuring complete data isolation. No external servers or third-party services are involved unless you choose to enable optional backend features. This design allows you to maintain total control over sensitive information.
- Prevents data exposure to external third-party services.
- Supports meeting HIPAA, GDPR, and SOC 2 compliance standards at the application level.

Works for major UI stacks
Build a full-featured PDF Viewer with minimal code. Our solution is compatible with many major frameworks, providing smooth integration.
Comprehensive PDF Viewer capabilities
Deliver a powerful, immersive PDF viewing experience with features built for modern applications. From seamless navigation to interactive forms and rich annotations, the Syncfusion® PDF Viewer SDK enables you to embed full-featured PDF handling with ease.
Work directly with the document content to search, select, and review with ease.
Text Search: Instantly find and highlight text segments throughout a document.
Text Selection and Copy: Select, copy, and extract searchable text.
Annotations: Highlight, underline, strike-through, sticky notes, and freehand drawing.
Comment Threads: Review and collaborate using in-document comments.
Zoom and Pan Modes: Flexible viewing via fit width, fit page, custom zooming, and panning.
Provide a reliable, legally compliant PDF experience for enterprise scenarios.
Form Filling: Enter data into text fields, checkboxes, radio buttons, dropdowns, and signatures
Password-Protected PDFs: Open encrypted and secure files safely.
Document Permissions: Manage access to printing, text copying, downloading, and editing to maintain legal compliance and confidentiality.
Print and Download: Control how documents can be saved or printed.
Accessibility Support: Keyboard navigation, screen reader compatibility, and high-contrast themes.
Seamless PDF editing experience
Deliver secure, interactive, and professional PDF viewing right inside your app. The PDF Viewer SDK provides rich tools for reviewing, filling, and protecting documents, all handled seamlessly in the browser.
Rich annotation tools
Add highlights, sticky notes, stamps, freehand drawings, shapes, and ink annotations directly to PDFs. Users can review documents, import or export annotations, and ensure consistent feedback across workflows.
Form filling and designer
Fill interactive forms with text fields, checkboxes, radio buttons, and dropdowns, or design new forms within the viewer. Users can edit, preview, and save forms in real time, streamlining data collection.
Secure signatures and redaction
Apply handwritten, typed, or image-based electronic signatures, or validate digital certificates to ensure authenticity. Protect sensitive data with built-in redaction tools, enabling the permanent removal of confidential information from a file.
Accessibility and global readiness
WCAG-compliant viewer
Meets WCAG standards with keyboard navigation, ARIA labels, and high-contrast themes, ensuring inclusivity for users with disabilities.
Multilingual and RTL support
Provides full localization options with right-to-left (RTL) rendering, so the viewer can be instantly adapted to global languages and regional workflows.
Screen reader compatibility
Ensures that all PDF content, form fields, and controls are accessible to screen readers for a fully inclusive experience.
Easy integration and customization
Discover the PDF Viewer designed specifically for developers. Enjoy seamless integration, extensive customization options, and the scalability your application demands for long-term success.
- Store PDFs locally or in the cloud (Azure Blob, Amazon S3) with our rich APIs.
- Enjoy a fully customizable UI with built-in themes, localization, and RTL layout support.
- Benefit from detailed documentation and enterprise-grade support.
Industry-specific use cases
Our PDF Viewer SDK is designed to address diverse industry needs, enabling professionals from multiple sectors to view, annotate, and manage PDF documents securely.
No credit card required.
Healthcare
Healthcare providers can securely access, annotate, and share patient records, lab reports, and consent forms in PDF format, with HIPAA-compliant features for protected data handling.
Legal and compliance
Law firms and compliance teams can review lengthy contracts, case files, and compliance documents with advanced annotation, redaction, and digital signature support.
Education and e-learning
Teachers and students can highlight, comment, and annotate course materials, research papers, and e-books, making it easier to review and engage with study materials.
Finance and banking
Finance teams can review and validate statements, invoices, and audit reports directly within PDFs. Features like text search, form filling, and digital signatures accelerate approvals and maintain regulatory compliance.
See Why Developers Love Syncfusion
These real-time stories shows the impact of our PDF Viewer
The best way to showcase our commitment is through the experiences and stories of those who have used our PDF Viewer.
Endless possibilities with one viewer
Whether you’re building dashboards, managing legal files, or delivering e-learning content, our PDF Viewer SDK makes document interaction seamless. Join 1M+ developers who rely on Syncfusion® for secure, enterprise-grade PDF rendering, annotation, and form filling. See why it consistently outperforms competing software in real-world performance tests.
No credit card required.
PDF Viewer FAQs
If you’re new to the PDF Viewer or have questions, our FAQs will help you explore its features and capabilities.
Frequently Asked Questions
What is the PDF Viewer SDK?
The PDF Viewer SDK is a powerful toolkit that enables developers to integrate PDF viewing capabilities into their applications.
Can I customize the Syncfusion PDF Viewer SDK to match my brand’s UI/UX?
Absolutely. The SDK offers extensive customization options to help you tailor the viewer’s appearance and behavior to align with your brand’s design guidelines.
Why should I choose the Syncfusion PDF Viewer SDK over other third-party PDF viewers?
Syncfusion offers a feature-rich, high-performance PDF viewer with reliable support, flexible licensing, and seamless integration, making it a superior choice to many alternatives.
How does the Syncfusion PDF Viewer SDK compare to other solutions?
Syncfusion stands out with its robust feature set, ease of use, platform versatility, and dedicated support. It’s a preferred solution for developers worldwide.
Is the Syncfusion PDF Viewer SDK compatible with multiple platforms?
Yes, the SDK supports a wide range of platforms, allowing you to build cross-platform applications with consistent PDF viewing experiences.
What developer resources are available for the Syncfusion PDF Viewer SDK?
Comprehensive documentation, code samples, API references, and community forums are available to support developers at every stage.
How do I get started with the Syncfusion PDF Viewer SDK?
You can begin by exploring the official documentation, downloading the SDK, and following the step-by-step guides to integrate it into your application.
Resources
Learn more about our PDF Viewer SDK
Explore demos, KB articles, and documentation to get the most out of our PDF Viewer.
Explore guides, APIs, and quick-start tips
See live use cases in action
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Get expert help when you need it
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