Watermark PDF Online
Stamp your PDF documents with text or images instantly. Secure, free, and fully customizable with transparency and rotation controls.
⚙️ Settings
JPG or PNG
👁️ Live Preview
Drag & Drop PDF Here
or click to browse
Why Use Aservus Watermarker?
Professional tools for document security and branding
Local Security
Processing happens 100% on your device. Sensitive documents never touch a server.
Custom Design
Full control over font, color, size, rotation, transparency, and positioning.
Image Stamps
Easily upload your company logo (PNG/JPG) and stamp it onto your documents.
Instant Preview
See exactly how your watermark looks on the page before you save the file.
How to Watermark a PDF
Upload PDF
Select your PDF file from your computer or cloud storage.
Customize
Adjust text, color, rotation, and opacity settings in the left panel.
Download
Click "Add Watermark" to save your secured document instantly.
Frequently Asked Questions
Is it free? +
Yes, the Aservus PDF Watermarker is 100% free with no hidden costs or limits.
Is it secure? +
Absolutely. We use local browser processing technology. Your files never leave your computer.
Can I use my logo? +
Yes! Switch to the "Image" tab to upload a PNG or JPG logo to use as your watermark.
Does it work on Mac/Windows? +
Yes, Aservus works in any modern web browser on any operating system (Windows, Mac, Linux, Android, iOS).
Can I watermark multiple pages? +
Yes, the tool automatically applies your watermark settings to every page in the PDF document.