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 2023.3 Adds Support for Office-to-PDF Conversion 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

File Type Support

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

PDF Documents
Office Documents

Browser Support

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

Firefox ESR

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.

Free Trial

Enjoy unlimited trial usage of all our products. Get guidance and tech support from developers who built the product, and get started within minutes.