Add Watermark to PDF — Free, No Software

How to Add a Watermark to PDF Online for Free

PDFico adds text watermarks to your PDFs entirely in your browser — no files uploaded, no software to install. Customize every aspect of your watermark including text, font size, color, opacity, and rotation angle. Perfect for marking documents as CONFIDENTIAL, DRAFT, or adding your company name.

Watermark Customization Options

• Custom text — any text you want: DRAFT, CONFIDENTIAL, your company name
• Font size — from 12pt to 120pt
• Opacity — from barely visible to solid
• Rotation — diagonal, horizontal, or vertical
• Color — gray, red, blue, or black

Why Choose PDFico?

• No file uploads — your sensitive documents stay on your device
• No software to install — works directly in your web browser
• No sign up — start watermarking immediately