Should You Read PDFs in Java? Yes Or No?

Last updated: October 6, 2026

So, can Java read PDF files? Short answer: yes, but you need a helper library to do it. Java itself has zero native support for opening or pulling text out of a PDF, which is why developers lean on third-party tools every time. A recent walkthrough from codingnconcepts.com rounds up the most popular options and shows the code you would actually write.

If you have ever tried to open a PDF with plain Java input streams and gotten nowhere, you already know why. The format was built for print fidelity, not for easy parsing. Let's look at what is out there, what is still alive, and what to pick in 2026.

What happened

• Java cannot read PDF files on its own; you need an external library.
• The Coding n Concepts guide covers Apache PDFBox, iText 5, and iText 7.
• Apache PDFBox is positioned as the easier option for basic text extraction.
• IText 5 is end-of-life and only gets security fixes; new projects should use iText 7.
• Both Maven (pom.xml) and Gradle (build.gradle) setup snippets are included in the tutorial.

Why can't Java read a PDF by itself?

PDF was designed for consistent display across screens and printers, not for easy text scraping. Inside a PDF, content can be split into streams, fonts, and positioning data, and a paragraph you see on screen might be stored as dozens of fragments. That is why a simple FileReader trick will not work here.

The standard JDK has no class for opening PDFs, extracting pages, or handling encryption. You either pull in a library or you write your own parser, and writing your own parser is the kind of project that eats weekends. The open-source ecosystem has already done the hard work, so the real question is which library fits your case.

What does the Coding n Concepts tutorial actually cover?

According to codingnconcepts.com, the guide walks through three libraries with copy-pasteable code.

First up is Apache PDFBox. The tutorial uses Maven group org.apache.pdfbox with artifact pdfbox, pinned to release 2.0.27, and gives the matching Gradle line for anyone running a build.gradle file instead. The example loads a file into a PDDocument inside a try-with-resources block, checks that it is not encrypted, and hands it to a PDFTextStripper that prints the extracted text. PDFBox also handles form filling, splitting, merging, digital signing, and saving pages as images, which makes it a Swiss Army knife if you want one dependency that does it all.

Next is iText 5. The tutorial is honest that iText 5 has hit end-of-life and now sits in maintenance mode. That means security patches only, no new features, and iText 7 is the recommended path for anything greenfield. The Maven coordinates are com.itextpdf:itextpdf:5.5.13.3, and the sample code opens a PdfReader, counts the pages, and loops with PdfTextExtractor.getTextFromPage() to build a StringBuilder of the full document.

Finally, iText 7. Same vendor, modern API. The Maven line is com.itextpdf:itext7-core:7.2.5 with type pom, and the Gradle equivalent uses ext: 'pom'. The example wraps a PdfDocument in try-with-resources, walks every page with document.getNumberOfPages(), and pulls text through PdfTextExtractor.getTextFromPage() on each PdfPage. Cleaner resource handling, same end result on screen.

Our analysis: who wins, and who should pick what

First, the easy winner for basic text extraction. Apache PDFBox is the friendliest starting point. Its API reads almost like English, it does not punish you for small mistakes, and the dependency is small enough that adding it to an Android project will not blow up your APK. If you only need to read invoices, e-tickets, or exported reports, PDFBox is the path of least resistance.

Then there is iText. IText 5 is out for any new work, full stop. The tutorial itself flags that it is EOL, so picking it today means inheriting a deprecated codebase. IText 7 is the live line, but the API is denser, the learning curve is steeper, and the licensing model is something you should read before you ship a commercial product. IText 7 earns its keep when you need precise control over page layout, complex extraction, or heavy PDF manipulation. For "read some text out of a file," it is overkill.

Who benefits? Solo devs and small teams get a faster win with PDFBox. Enterprise teams already standardized on iText will stay there. Who loses? Anyone who picks iText 5 in 2026 thinking they are saving time, because they are just signing up for a migration later.

What it means for you

Say you are building an Android app that has to read a PDF receipt the user just downloaded. You drop the PDFBox dependency into your app module's build.gradle, call PDDocument.load on the local file, run PDFTextStripper, and you have the text in a String. You do not need to wrestle with iText's parser tree or worry about a license audit for a free, Apache-licensed library. That is the practical path our Android-leaning readers will actually take.

Worth noting: if your PDFs are encrypted, both libraries can handle it, but only if you supply the password. Encrypted, password-locked bank statements will not just open themselves.

Bottom line

Yes, Java can read a PDF, but only with a library. For most readers here, Apache PDFBox is the smart default in 2026, with iText 7 reserved for the heavy-duty cases. Skip iText 5 unless you are maintaining an old project. Watch for a PDFBox 3.x wave later this year; the 2.0.x line is solid, but the project has been moving, and a major bump could change APIs.

Key takeaways

• Default to Apache PDFBox for straightforward PDF text reading in Java.
• Treat iText 5 as legacy only; start new work on iText 7.
• Always wrap PDF documents in try-with-resources so files close cleanly.
• Add the dependency that matches your build system: pom.xml for Maven, build.gradle for Gradle.
• For Android projects, PDFBox is lighter on the APK than iText 7.