Svelte Office Library

PSPDFKit for Web offers developers a client-side JavaScript library that’s fully compatible with Svelte for viewing and converting Word, Excel, and PowerPoint files directly in the browser. When converting to the PDF format, it enables a rich array of additional document capabilities in your Svelte-based web application.

Key Capabilities


Robust API for configuring behavior and appearance


Workload is offloaded to client (no server needed)

MS Office and PDF

Office conversion engine built from the ground up

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

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.