What file formats can I edit with Java library?

We support a variety of file formats to edit, including DOCX, DOC, PDF, HTML, RTF, Markdown, ODT, XML, TXT and many more. Install Document Editor for Java. Add a library reference (import the library) to your Java project. Open a document in Java. Insert content at the beginning of the document. Call the save() method, passing the name of the output file with the required extension. Get the edited result.

What is the maximum file size allowed to edit a file using this Java library?

There are no size limits to edit files.

Edit A Document Java: Word, PDF, HTML

Edit Documents in Java

This Java library provides developers with a powerful API to edit Word, PDF documents programmatically. Easily integrate document modification features into your software. Our solution supports the editing of PDF, DOCX, DOC, RTF, ODT, EPUB, HTML and many other file formats in Java.

Change PDF, Word in Java

The task of editing a document programmatically in Java is the task of modifying elements in the document tree. It is also known as the 'DOM' - the programming model for interacting with document elements and their properties.

Editing features for complex data structures are inseparable from the advanced search function. To ensure the highest level of flexibility, our library provides Java developers with Regex search functionality. This approach expands the possibilities to edit text, allowing the use of templates for dynamic content modification.

Edit text in documents using Java

Programmatic modification of Word and PDF documents is an integral part of digital workflow. Edit text in PDF, Word, modify tables, insert graphs using external data.

Java library is a stand-alone solution to edit documents which doesn't need Microsoft Word or Acrobat Reader installed. It is ready for industrial use and provides the full range of operations to modify Word, PDF and other file formats:

Insert new document elements
Update existing elements: paragraphs, lists, tables, images, links, fields, charts, etc.
Apply and modify styles, which are collections of formatting attributes
Search for specific text patterns and replace them with new text
Export the result to the Word, PDF and many other file formats using 'Document.Save' method
Delete unnecessary elements (cut chapters, sections, pages, paragraphs)

Edit table using Java

One of the most requested features is dynamic table generation and table modification in Word and PDF documents. Working with tables is easy with Java library: edit tables, update tables and extract table text in Java code.

The following example shows how to change a Word document in Java code:

Java example to edit a document

Input file

Upload a document you want to modify

Run code

Output format

Select the target format from the list

				
import com.aspose.words.*;

Document doc = new Document("Input.docx");
DocumentBuilder builder = new DocumentBuilder(doc);

// Insert text at the beginning of the document.
builder.moveToDocumentStart();
builder.writeln("Morbi enim nunc faucibus a.");

doc.save("Output.docx");

import com.aspose.words.*;

Document doc = new Document("Input.docx");
DocumentBuilder builder = new DocumentBuilder(doc);

// Insert table at the beginning of the document.
builder.moveToDocumentStart();
builder.startTable();
builder.insertCell();
builder.write("Row 1, cell 1.");
builder.insertCell();
builder.write("Row 1, cell 2.");
builder.endTable();

doc.save("Output.docx");

import com.aspose.words.*;

Document doc = new Document("Input.docx");
DocumentBuilder builder = new DocumentBuilder(doc);

// Insert image at the beginning of the document.
builder.moveToDocumentStart();
builder.insertImage("Image.png");

doc.save("Output.docx");

				Run code

You may freely copy this code and use it in any applicable purpose

How to edit a document Java: Word, PDF, HTML

Install Document Editor for Java.
Add a library reference (import the library) to your Java project.
Open a document in Java.
Insert content at the beginning of the document.
Call the save() method, passing the name of the output file with the required extension.
Get the edited result.

Java library to work with files

We host our Java packages in Maven repositories. 'Aspose.Words for Java' is a common JAR file containing byte-code. Please follow the step-by-step instructions on how to install it to your Java developer environment.

System Requirements

Java SE 7 and more recent Java versions are supported. We also provide a separate package for Java SE 6 in case you are obliged to use this outdated JRE.

Our Java package is cross-platform and runs on all operating systems with JVM implementation, including Microsoft Windows, Linux, macOS, Android and iOS.

For information on optional package dependencies, such as JogAmp JOGL, Harfbuzz font engine, Java Advanced Imaging JAI, please refer to Product Documentation.