1. Upload Your PDF
Your file is processed securely in your browser. Nothing is uploaded to any server.
Drag & Drop your PDF here
or
Your file is processed securely in your browser. Nothing is uploaded to any server.
Drag & Drop your PDF here
or
Looking for a fast and secure way to add a watermark to your PDF? This free online **PDF watermarking tool** lets you easily insert custom text watermarks into any PDF document — no software download or registration required.
Upload your PDF, then customize your watermark: Set your watermark text (e.g., "Confidential," "Draft," or anything else), adjust font size, color, opacity, and rotation, and then preview and download your watermarked PDF instantly.
✅ 100% browser-based — your files never leave your device
✅ Free to use — no hidden fees
✅ Works on all platforms (Windows, macOS, Linux, ChromeOS)
This is the perfect tool for anyone needing to protect PDF documents, brand content, or mark files for internal use. Fast, free, and fully private — ideal for businesses, educators, and individuals alike.