Free Online PPTX Watermark App

Add text watermark to your document online from anywhere

Add
watermark to document

Discover GroupDocs.Watermark free online app!

PPTXPowerPoint Open XML Presentation

Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.

Read More

How to

 How to add watermark to PPTX document using GroupDocs Watermark App

  • Click inside the file drop area to upload a PPTX file or drag & drop a PPTX file.
  • "Add watermark text and select font, color and size or drop or upload an image if watermark type is Image."
  • Click Add Watermark.
  • Download updated document with watermark added.
  • You may also send the download link to any email address by clicking on Email button.

Powered By

 GroupDocs.Watermark for .NET API

Flexible document watermarking .NET library & API.
Build your document watermarking solution with this easy to use API!

More Platforms

 GroupDocs.Watermark for Java

Java version of GroupDocs.Watermark library & API.
Best choise for document watermarking in Java!

 GroupDocs.Watermark Cloud

Easy to use cross-platform Cloud solution.
Add watermarks using Cloud API easily using cURL or existing programming SDKs!

Open-Source UI/UX Solutions

 GroupDocs.Total for .NET and Java

GroupDocs.Total is an open-source UI/UX solution where all GroupDocs products are working together as one.
GroupDocs.Total provides multiple high quality features against over 120 document formats, such as conversion, signature, parser and much more!

Other Watermark file formats

You can also add watermark to many other file formats. Please see the list below.