JavaScript PDF Library

PSPDFKit for Web is a JavaScript PDF library for viewing, annotating, and editing PDFs directly in the browser. It offers developers a way to quickly add PDF functionality to any web application.

Latest Release: PSPDFKit for Web 2022.5 Adds Content Editor and Measurement Tools Read more

Key Capabilities


Robust API for configuring behavior and appearance

Client Side

Workload is offloaded to client (no server needed)

High Fidelity

Accurate, reliable PDFium-based rendering engine

Prebuilt Features

Annotate, edit, sign, form fill, redact, and more

Essential Guides

Learn how to quickly integrate a PDF viewing, annotating, and editing app.

Browser Support

PSPDFKit for Web supports the latest versions of all commonly used browsers: Chrome, Mozilla Firefox, Safari, Edge, Firefox ESR, Microsoft Edge 18, and Microsoft Internet Explorer 11. You can see the full list on our browser support page.

Firefox ESR
Microsoft Edge 18

Framework Support

PSPDFKit for Web is compatible with all JavaScript frameworks, including React, Angular, Vue, Svelte, Electron, Ruby on Rails, TypeScript, and others. It just needs a DOM container to append the viewer, which is possible with any framework.


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

File Type Support

Microsoft Office file types are supported when using the optional PSPDFKit Server (compare deployment options).

PDF Documents
Image Documents
Office Files

Free Trial

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