Watermark PDF
Stamp your documents with text or images. Protect your intellectual property with custom watermarks.
Upload PDF to Watermark
Brand your documents securely offline.
Your Privacy is Our Priority
Unlike other online tools, PDFaiGen processes your files directly in your browser. No file uploads, no server data breaches.
Zero Uploads
Files never leave your device. All processing happens locally in your browser memory.
End-to-End Private
Since no data is sent to any server, your sensitive documents remain completely private.
Works Offline
Once loaded, our tools work without an internet connection. No data usage required.
How It Works
Simple, fast, and secure. Get your file processed in 3 easy steps.
Upload PDF
Import the PDF document you want to watermark.
Customize
Choose text or image, adjust opacity, position, and size.
Download
Get your protected PDF with the watermark applied instantly.
Key Features
Why Choose PDFaiGen?
We are building the future of document processing — focusing on privacy, speed, and design.
100% Privacy Guaranteed
No cloud uploads. Your files are processed entirely on your device using WebAssembly technology.
Lightning Fast
Zero upload time. Zero download time. Instant processing powered by your own hardware.
Easy to Use
Simple drag-and-drop interfaces designed for efficiency. No accounts or sign-ups required.
Common Use Cases
See how others are using this tool to save time and improve workflows.
Confidentiality
Mark sensitive documents with 'CONFIDENTIAL' or 'DO NOT SHARE'.
Copyright
Add your logo or company name to protect intellectual property.
Draft Versions
Label preliminary work as 'DRAFT' to prevent confusion.
Invoices
Stamp invoices as 'PAID' or 'OVERDUE'.
Official Copies
Mark documents as 'COPY' or 'ORIGINAL'.
Why We are Better
See how PDFaiGen compares to traditional online PDF tools.
Secure Your Documents
Apply professional watermarks to your PDFs in seconds. No uploads essential.
No credit card required • No installation • 100% Private