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Add watermark to PPTX

Add text or image stamp in PPTX online

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About Watermark app

Watermark PPTX is an online service that allows to add stamps to PPTX. Add text or image stamp to PPTX easily. You can add simple watermarks like DRAFT, CONFIDENTIAL and implement more complex cases like Copyright text or evaluation mark.

With this easy-to-use application you can place watermarks with a few clicks: just open your PPTX file, provide text or image and choose a desired template. We prepared most demanded presets for your convenience. Please choose where the stamp can be placed: Top, Bottom or Center. The resultant file will be available quickly and can be downloaded during 24 hrs.

Features

Discover GroupDocs.Watermark free online app!

PPTX

PowerPoint 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.

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How it works

How to add watermark to PPTX

Step 1
Open this free online watermarking tool in your favourite browser.
Step 2
Click inside the file drop area to upload a PPTX file or drag & drop a PPTX file.
Step 3
Add a text or select image and select watermark template.
Step 4
Download the updated PPTX file with watermark added.

Other Watermark App supported file formats

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

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