Add Watermark to PowerPoint
Protect your presentations with custom watermarks. Add text or image watermarks to all slides quickly and professionally.
Upload your PowerPoint presentation
Add custom watermarks to protect your intellectual property
Supports PPT, PPTX files up to 100MB
Watermark Options
Text Watermark
Add custom text as a watermark with various formatting options.
- • Custom text and fonts
- • Adjustable opacity
- • Multiple positioning options
- • Color customization
Image Watermark
Use your logo or any image as a watermark across all slides.
- • Upload PNG, JPG images
- • Automatic size adjustment
- • Transparency control
- • Corner or center positioning
Batch Processing
Apply watermarks to all slides at once with consistent positioning.
Custom Styling
Full control over appearance, opacity, and positioning of watermarks.
Secure Processing
Your files are processed securely and automatically deleted after use.
Perfect For
🏢 Business Use
- • Company branding on presentations
- • Confidential document protection
- • Client proposal security
- • Training material branding
🎓 Educational & Personal
- • Academic presentation protection
- • Copyright identification
- • Portfolio watermarking
- • Event presentation branding
Positioning Options
Top Left
Top Center
Top Right
Center Left
Center
Center Right
Bottom Left
Bottom Center
Bottom Right
Frequently Asked Questions
Will watermarks affect my presentation quality?
No, watermarks are applied with adjustable transparency to maintain readability while providing protection.
Can I remove watermarks later?
Watermarks become part of the slide content. Keep your original file if you need a version without watermarks.
What image formats are supported for watermarks?
We support PNG, JPG, and GIF formats. PNG is recommended for logos with transparency.
Need Advanced Watermarking Features?
Get batch watermarking, custom templates, and advanced positioning options with ChatSlide AI Pro.
Try ChatSlide AI Pro →