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Highlight PDF Document with Java REST API

This tutorial demonstrates how PDF Java developers can effortlessly add highlight annotations to a PDF document with the Aspose PDF Cloud REST API, giving you full control over highlight colors, exact positions, and timestamps.

Prerequisite

Steps to Highlight Text in PDF Document with Java Low Code API

  1. Configure the PdfApi class object by providing the API key and application SID for highlighting the text
  2. Create a HighlightAnnotation object by setting the rectangular area and color
  3. Set the creation and modified date of the annotation
  4. Upload the target PDF file to Cloud storage for highlighting the text
  5. Call the PostPageHighlightAnnotations() method by specifying the input file, page number, and annotations
  6. Download the PDF file after highlighting

These steps describe how to highlight a PDF with the Java Low Code API: instantiate a PdfApi, create a HighlightAnnotation with the desired rectangle and color, set its timestamps, upload the PDF, and finally invoke PostPageHighlightAnnotations() to apply the highlight.

Code to Highlight Text in PDF with Java REST Interface

By following this sample, you can effortlessly highlight PDF documents through the Java REST interface, customizing attributes such as a unique ID, contents, Z‑index, alignment, and subject, while correctly setting creation and modification dates for flawless API calls.

Ready to explore more annotation possibilities? Dive into our guide on Add Checkbox in PDF with Java REST API.

Want to dive deeper into the file formats we support? Visit the PDF file format page for full details.

To wrap up, you now have everything you need to highlight PDF documents with Java REST API—whether you’re looking for “highlight pdf document with Java REST API,” “how to highlight in a pdf with Java Low Code API,” “how to highlight pdf documents with Java REST Interface,” “pdf highlighter with Java RESTful Service,” or “highlight pdfs online with Java-based API.”