JavaScript Document Viewer Library

PSPDFKit for Web includes support for client-side rendering of PDF, Word, Excel, and PowerPoint documents directly on any browser — no external dependencies or MS Office licenses required. It offers developers a way to quickly embed a highly configurable document viewer in any JavaScript-based web application.

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Key Capabilities

PDF and MS Office

Open PDF, Word, Excel, and PowerPoint documents

Client-Side

Workload is offloaded to the client (no server needed)

Customizable UI

Hide or add buttons, and match your look and feel

Responsive

Mobile-friendly UI auto-adjusts to all screen sizes

Accessible

Built-in assistive technology-friendly features

Browser Support

Works on all modern browsers and devices

Extendable

Convert to PDF for collaboration, editing, and more

Essential Guides

Streaming

How to implement document streaming for instant on-demand page access

Page Layout and Scroll

How to configure single- or double-pages spreads and scrolling modes

Mobile Responsive

Learn about the responsive capabilities of the user interface

Accessibility

Learn about the viewer’s accessibility features

Zooming

How to manage zooming and configure automatic zoom

Performance

Performance Best Practices

Learn the best way to build a fast document viewer

Annotation Diff

Learn about transferring annotations efficiently

Caching Techniques

How to make your assets load quickly

Viewing Options

Fullscreen Mode

How to implement fullscreen mode using the fullscreen API

Magazine Viewer

How to implement a magazine viewer

Presentation Mode

How to display presentation slides

Fonts

Introduction to Fonts

Learn how fonts can impact text rendering and formatting

Supported Fonts

Learn about PDF font support in PSPDFKit for Web

Font Substitution

How to replace fonts in PDFs dynamically

Custom Fonts

How to configure custom fonts for rendering PDF documents

Rendering

Rendering PDF Pages

How to render single PDF pages as images

Render in Canvas

How to render a single PDF page as an image in a canvas element

Coordinate Space

How to convert to and from the PDF coordinate space

Watermark Rendering

How to render watermarks on top of a PDF

More Viewer Guides

Office Documents

How to open MS Office documents

Images and Photos

How to display images in the viewer

PDF JavaScript Support

How to enable PDF JavaScript support

Permissions

Learn about the document permissions that can be set

File Type Support

PSPDFKit for Web enables you to load, save, convert, and edit 15 different PDF, document, Office, and image file types.

Opening MS Office and image files requires the Office Files and Image Documents components to be enabled in your license.

PDF Documents

PDF PDF/A

Images

PNG JPEG JPG TIFF TIF

Office Documents

DOCX DOC DOTX DOCM XLSX XLS XLSM PPTX PPT PPTM

Framework Support

The document viewer is compatible with any JavaScript framework, including React, Angular, Vue.js, Svelte, Blazor, Next.js, TypeScript, Nuxt.js, and jQuery. It’s also compatible with Electron, ASP.NET, PHP, Laravel, Rails, and HTML5.

React Angular Vue Svelte Blazor Next.js TypeScript Nuxt.js jQuery Electron ASP.NET PHP Laravel Rails HTML5

Integrations

PSPDFKit for Web is compatible with SharePoint, Microsoft Teams, Microsoft OneDrive, and Salesforce.

SharePoint Microsoft Teams Microsoft OneDrive Salesforce

Opening and Viewing PDFs with PSPDFKit for Web Standalone

To load PDFs, use the load method, which takes a Configuration object as its parameter. This object specifies where the document is loaded on the page, the path to the source document, the license key, and more. For more information, see the guides on loading a document.

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