Documentation

Build with DocuVerse

Guides, API reference and examples for viewing, annotating and editing PDF, Word and Excel files.

Popular:Get started with JavaScriptViewer optionsAnnotations.NET

SDKs

Web SDK

The viewer and the engine in the browser: view, annotate and edit PDF, Word and Excel with no server.

Get startedViewer guideAPI

Server SDK

The same engine in Node.js, .NET, C and the command line, for back ends and batch jobs.

Get started.NETAPI

Mobile SDK

Coming soon

Native iOS and Android. Until then, the Web SDK works in mobile browsers and web views.

What’s planned

Document Generation

Coming soon

PDF, Word and Excel documents from templates and data.

What’s planned

Quick start

All options
JavaScriptWeb SDK ReactWeb SDK Next.jsWeb SDK BlazorWeb SDK Node.jsServer SDK .NET (C#)Server SDK C / C++Server SDK Command lineServer SDK

Featured guides

Word editor

Open a .docx as pages, edit it with commands and save it back.

Read the guideProduct

Spreadsheet editor

Calculate, format and save .xlsx workbooks; print them to PDF.

Read the guideProduct

Annotations

Every annotation type, its JSON fields, and how to store reviews yourself.

Read the guideProduct

Fill & Sign

Signatures, stamps, dates and check marks, in the viewer and from code.

Read the guideProduct

Reference

JavaScript APIPdfDocument, WordDocument, ExcelDocument and the viewer.NET APIThe DocuVerse namespace and the Blazor componentC APIEvery function in uds_pdf.hAnnotation JSONTypes and fields, shared by all SDKs

Help

Release notes

What is in each version.

Limitations

What is not supported yet, so you can plan around it.

FAQ

Privacy, file types, size and licensing.