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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.

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How to

  How to add watermark to PPTX

  • Open this free online watermarking tool in your favourite browser.
  • Click inside the file drop area to upload a PPTX file or drag & drop a PPTX file.
  • Your PPTX file will be rendered for you to add watermarks instantly.
  • Add text and image watermarks and setup their properties.
  • Download the updated PPTX file with watermarks added.

Other Watermark App supported file formats

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

Viewer Annotation Conversion Comparison Signature Assembly Metadata Search Parser Watermark Editor Merger Redaction Classification Splitter Translation Unlock