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Remove Watermark from Presentation with Java REST API

This tutorial shows you how to remove a watermark from a presentation using the Java REST API. By employing the Java Low Code API for PowerPoint, you can delete watermarks with just a few API calls through Aspose.Slides Cloud’s Java SDK, and the sample code will also illustrate how to generate the final output file from the API response.

Prerequisite

Steps to Remove Watermark from PPT with Java REST API

  1. Create an instance of the SlidesApi class to remove the watermark
  2. Set the input and output presentation file names
  3. Read the input file into a memory stream
  4. Invoke the DeleteWatermarkOnline() method with input presentation file stream
  5. Save the memory stream in the response and save it on the local disk

These steps summarize how to remove watermark from PowerPoint with Java REST API. Load the input presentation into a stream and call the DeleteWatermarkOnline() method using the input stream. This API call returns the output stream that can be saved on the disk.

Code to Remove Watermark from PPT Online with Java RESTful Service

This example shows how to remove watermark from PowerPoint slides with a Java‑based API, clearing the watermark from every slide in the presentation. For password‑protected files, simply provide the password via the API’s password property to open the file and remove the watermark.

Now you’ve learned exactly how to remove a watermark from PPTX with the Java REST API. When you need to add a watermark instead, see our companion guide on Add watermark to PPT with Java REST API.

 

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