Customizable 🔒 100% Client-Side Privacy
Add Text & Image Watermarks to PDF
Protect your intellectual property with customizable "CONFIDENTIAL", "DRAFT", or company logo watermarks.
Drag & drop your file here
or click to browse from your device
Supports .pdf up to 100MB • Zero server upload
What is Add Watermark?
Stamp branded logos or prominent text watermarks (e.g. "CONFIDENTIAL", "SAMPLE", "DRAFT") across all pages. Fine-tune opacity, 45-degree slant, font color, and placement.
How to Use Add Watermark (Step-by-Step)
1
Upload PDF
Select your PDF file.
2
Configure Watermark
Enter text (e.g. "CONFIDENTIAL"), adjust transparency and angle.
3
Apply & Download
Click "Apply Watermark" to download.
Key Features of Our Online Add Watermark
Text or Logo Watermarks
Type custom text phrases or upload transparent PNG company logos.
Opacity & Slant Controls
Set translucent opacity (e.g. 20%) and angled slants so content stays readable underneath.
Underlay or Overlay
Place watermark beneath text layer or on top as an indelible stamp.
Frequently Asked Questions
Our engine rasterizes and stamps the watermark directly into the PDF content stream.