Protect Intellectual Property with Custom PDF Watermarks
Prevent unauthorized document distribution by branding pages with text or image watermarks.
Client-side Encryption•Zero Logs Policy
Stamp Custom Watermarks on Your PDF Documents
Select PDF file to Watermark
or drop your PDF document directly here
Free Limit: 25 MB / file•256-Bit SSL Encrypted•100% Private•Auto-purged
Lossless Precision
Vector fonts, layout formatting, bookmarks, and color spaces are preserved.
Zero Logs Privacy
Transfers are TLS-encrypted and automatically purged after operation.
Cross-Platform Fast
Lightning-fast browser execution on Windows, macOS, Linux, iOS, and Android.
Processing Speed: < 1.2s
Security: 256-Bit TLS
Processing: Client & Cloud
Compatibility: All Platforms
Designed for Reliable Watermark PDF Operations
Engineered to process your documents with speed, security, and exact formatting fidelity.
Custom Text & Logo Watermarks
Stamp custom text or upload company PNG logos onto PDF pages.
Full Style & Transparency Control
Adjust opacity, font scale, angle rotation, text color, and placement position.
Pre-Set Security Stamps
One-click application of standard stamps like CONFIDENTIAL, FINAL, or COPY.
Vector Layer Integration
Watermarks are embedded into PDF vector streams for durable protection.
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How Watermark PDF Works
A comprehensive overview of features, document handling, and technical details.
How to Use Watermark PDF
Follow these simple steps to complete your document workflow.
Step 01
Upload PDF
Drop the document you wish to watermark.
Step 02
Design Watermark
Type text or upload logo, set opacity, angle, and position.
Step 03
Apply Watermark
Click Apply Watermark to stamp all pages.
Step 04
Download PDF
Save your watermarked PDF document.
Support & Clarification
Frequently Asked Questions
Everything you need to know about processing and security with Watermark PDF.
GentlePDF flattens watermark elements into document layers to prevent basic removal.
User Rating for Watermark PDF
4.9 / 5.0(14,200 reviews)
Rated for formatting fidelity, conversion accuracy, and processing speed.
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