JAVA PDF SDK
Convert Office files, emails, webpages, and images to PDF in seconds. Near‑instant cold starts and tiny footprints keep microservices lean. Work with clean, idiomatic builders. Ship faster and lower your costs.
Drop in any supported file — Word, Excel, HTML, images, and more — and the SDK converts it to PDF so you can edit it immediately.
Runs on the battle‑tested engine behind Nutrient Web and Document Engine SDKs that’s trusted by thousands of enterprises worldwide.
Standalone package that tracks the same updates as our Web Viewer SDK and Document Engine; just bump the version to stay up to date with the latest technology.
From one‑call file conversions to precise PDF edits, everything lives in one SDK — no extra servers, CLI tools, or runtimes.
Convert Word, Excel, PowerPoint, HTML, emails, images, and CAD files to pixel‑perfect PDFs in one call.
Reflow any PDF into responsive HTML or clean Markdown for fast publishing.
Merge, split, and reorder pages; insert text or images; and update metadata with safe, fluent builders.
Generate PDF/A documents for long‑term archiving and auto‑tagged PDF/UA for WCAG‑ and ADA‑level compliance.
Add Nutrient to your project in just a few lines. Then extend or customize every step with a clear, chainable Java API.
package io.nutrient.Sample;
import io.nutrient.sdk.Document;
public class WordDocumentToPDF { public static void main(String[] args){ try (Document document = Document.open("input.docx")){ document.exportAsPdf("output.pdf"); } }}Nutrient SDKs and Cloud APIs add full document lifecycle support to any platform, tech stack, or infrastructure in minutes. The same technology meets Fortune 500 requirements while helping startups ship fast.
Clean documentation, drop-in code, and MCP hooks for both hands-on developers and AI agents.
Web, mobile, desktop, server, or Nutrient Cloud — with no lock-in.
SOC 2 Type II and WCAG 2.2-compliant workflows with PDF/UA-accessible documents.
Built-in document AI with support for leading LLMs and their private implementations.
PROVEN AT SCALE
The digital arm of Germany’s national railway digitizes millions of track maintenance blueprints with the Nutrient PDF SDK, keeping 40,000 trains rolling each day.
Governance portal trusted by 2,000+ boards in 30 countries embeds Nutrient Web SDK to enable in‑portal annotations and cross‑device continuity, achieving 80 percent user engagement.
Rolled out nationwide PAdES-compliant signatures with the Nutrient PDF SDK, letting every Austrian citizen sign official documents securely in seconds.
FREE TRIAL
Start building with our Java SDK in minutes — no payment information required.
Integrating PDF functionality into Java applications can significantly enhance document management capabilities. This section will explore the essentials of Java PDF libraries to guide you through this integration.
A Java PDF library is a set of APIs enabling developers to create, manipulate, and manage PDF documents within Java applications. These libraries provide functionality such as generating PDFs from scratch, modifying existing documents, extracting content, and handling form data.
Selecting the right Java PDF library is like choosing the right tool for a job — it should match your project’s needs. Consider the following factors:
Opting for Nutrient (formerly PSPDFKit) offers several advantages:
While other Java PDF libraries may offer basic functionalities, Nutrient’s Java PDF library stands out with its extensive feature set, high performance, and focus on security. Its design prioritizes ease of use and seamless integration, making it a robust choice for applications aiming to enhance document processing and management capabilities.
Integrating a Java PDF library into your application is a strategic move to boost functionality and user satisfaction. By carefully evaluating your needs and exploring available options, you can select a solution that not only meets your current requirements but also supports your application’s future growth and evolution.
How does Nutrient Java SDK compare to other SDKs in terms of features?
Compared to open source options like PDFium, Nutrient provides a more comprehensive, out-of-the-box solution with enterprise-grade features and support. Built-in caching and resource management ensure consistent performance, even under heavy loads — something that can be challenging to achieve with free PDF libraries that may not be optimized for production use. The Nutrient library also offers advanced features similar to those from closed-source solutions such as iText, but with support and increased ease of use.
How does Nutrient Java SDK ensure high-fidelity rendering?
The SDK uses a highly accurate and reliable rendering engine built on 22 years of in-house technology, which also powers our other products like the .NET SDK (formerly GdPicture) and Document Engine.
Can I use Nutrient Java SDK to merge or convert PDF files?
Definitely. Our Java SDK provides robust tools to combine multiple PDFs into a single document, making it easier to manage large reports, legal documents, or multipart records. The merging functionality ensures page order is preserved and metadata remains intact, providing a smooth, structured output.
Beyond merging, our Java SDK also supports file format conversion, enabling users to convert Word documents, HTML files, images, and other formats into nearly any possible document format. This is particularly useful for automated document workflows, enabling businesses to generate documents (PDF or Word, for instance) from existing digital assets while ensuring compliance with industry standards.
For applications requiring bulk processing, the Nutrient SDK offers batch merging and conversion capabilities, optimizing performance for high-volume document operations. Whether you’re combining PDFs for archiving, generating reports, or transforming documents into standardized formats, our Java SDK provides the speed, reliability, and flexibility needed to handle these tasks efficiently.
Is Nutrient Java SDK suitable for enterprise-level applications?
Absolutely. The SDK is designed to be safe, reliable, and scalable, making it well-suited for enterprise applications that require robust document processing capabilities. It’s trusted by industry leaders, and it ensures compliance with various security and privacy standards. The SDK includes optimization features for memory usage and processing speed, making it suitable for server applications that need to process thousands of files.
Can Nutrient Java SDK parse PDF files?
Yes. The Nutrient Java PDF library is designed to parse PDF files, enabling developers to efficiently extract, analyze, and manipulate document content. Whether working with text, images, metadata, or structured elements like tables and forms, the library provides powerful parsing capabilities to ensure accurate data retrieval. For businesses handling invoices, contracts, or financial reports, the SDK also enables the parsing of form fields and structured elements, making it easy to extract user-submitted data for processing and integration into databases or third-party systems.