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Remove Watermark from Presentation with Java REST API

This guide demonstrates how to remove a watermark from a presentation using the Java REST API. By leveraging the Java Low Code API for PowerPoint, you can eliminate watermarks with just a handful of API calls via Aspose.Slides Cloud’s Java SDK, and the sample code will show you how to create 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 walkthrough illustrates how to effortlessly strip watermarks from every slide of a PowerPoint presentation using the Java‑based REST API. If your file is password‑protected, simply pass the password through the API’s password property, and the watermark will be removed.

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

 

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