Add Watermark to PowerPoint
Add text or image watermark to PPTX
Last updated: April 30, 2026
Upload an image
Drag & drop or browse
Settings
Watermarks are added as top-level shapes. Your original slide content and animations will remain untouched.
Add Watermark to PowerPoint — No Uploads Required
Protect your intellectual property by adding custom watermarks to your PowerPoint presentations. Whether you need to add a 'CONFIDENTIAL' text overlay or your company logo to every slide, our tool handles it with professional precision. You can control the opacity, rotation, and position of the watermark to ensure it's visible without distracting from your content. Everything is processed locally in your browser, keeping your sensitive presentations secure.
Why This Tool Exists
What makes this useful — and why I built it this way.
Brand Protection: Ensure your logo is present on all shared slides.
Privacy First: Your sensitive presentations never leave your device.
Professional Look: High-quality rendering that matches your slide design.
Zero Cost: Add watermarks to unlimited presentations for free.
When You'd Use This
Real situations where this tool saves the day.
Branding slides: Add company logos across business proposal decks.
Draft markers: Add 'DRAFT' watermark to slides before client reviews.
Asset protection: Protect educational slides with copyright tags before publishing.
Using Add Watermark to PowerPoint
It's straightforward — here's how it works.
Upload your PowerPoint (.pptx) file.
Choose between 'Text' or 'Image' watermark mode.
Adjust the watermark properties using the live preview.
Click 'Apply Watermark' to process the presentation.
Download your protected PPTX file instantly.
Questions People Ask
Honest answers about how this works.
Will it affect my slide animations?
No, the watermark is added as a top-level overlay. Your existing animations and transitions remain untouched.
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