Complete In-Browser Document Experiences
WebViewer makes it easy to build secure, accessible document experiences that you control and extend. Its modular architecture and WCAG 2.2 AA-compliant UI provide a flexible foundation for deploying document workflows across cloud, on-prem, hybrid, and air-gapped environments without server dependencies.
Document Interaction & Processing Capabilities
DOCUMENT GENERATION
Document Generation
Generate documents client-side by merging Office files with JSON data directly in the browser.
VIEW CAPABILITIES
FORM CREATION
DIGITAL SIGNATURES
TEXT EDITING
PAGE MANIPULATION
REDACTION
ANNOTATION AND COLLABORATION
MEASUREMENT
COMPARISON
PDF and Office Editing Add-Ons
WebViewer’s advanced editing add-ons extend the core viewer with PDF, DOCX, or spreadsheet editing. Enable each capability as needed using the same embedded viewer and UI framework, while preserving file-specific behaviors users expect.
WebViewer FAQs
Integration is simple. Just add the WebViewer library to your project and initialize it with a few lines of JavaScript. WebViewer provides ready-to-use examples for React, Angular, and more. Check out the Getting Started Guide or the interactive demo to learn more.
When building LLM-enabled applications, the last mile is where trust is won. WebViewer keeps reviewers in the flow with high-fidelity rendering, precise search, true redaction, and review features all inside your UI. That translates directly into the metrics that matter: more time in app, fewer context switches, and faster approvals.
WebViewer is fully client-side and runs in the browser using modern web technologies such as WebAssembly. It does not require Adobe Acrobat, Microsoft Office, or any additional plugins.
The Apryse Web SDK supports WCAG accessibility criteria across its core add-ons, WebViewer, DOCX Editor, and Spreadsheet Editor, with a unified, accessible UI. Features such as full keyboard navigation, ARIA support, screen reader compatibility, and customizable focus indicators are built into the Web SDK’s modular architecture. These capabilities enable developers to meet WCAG 2.2 Level AA standards, comply with global regulations like the European Accessibility Act, and ensure inclusive access to digital content within web applications.
WebViewer provides powerful in-browser editing tools that let users modify documents directly within a web application, without needing any external software or plugins.
WebViewer offers a full suite of PDF editing and annotation features, allowing users to:
- Edit PDF files in the browser and programmatically
- Add, move, or delete annotations (highlights, comments, shapes, signatures, etc.)
- Fill and create interactive form fields
- Redact sensitive content securely
- Apply digital signatures or flatten markup layers
In addition to PDF editing, WebViewer also supports Microsoft Word (DOCX) editing and spreadsheet editing (XLSX) through add-on modules.
With the WebViewer add-ons, users can open, edit, and save documents in the browser with rich text editing tools similar to desktop word processors.
Together, these capabilities make WebViewer a complete web-based document editing platform, enabling seamless review, collaboration, and content updates across both PDF, Word, and spreadsheet files in a customizable, modular and accessible UI.
WebViewer natively supports right-to-left languages (RTL) language content, making it easier to build applications that work seamlessly across global regions. In addition to full RTL content handling, WebViewer’s UI is now localized into Arabic, Hebrew, Persian, and Urdu.
