Add Watermark to PDF
Add a watermark to a PDF online — create a clear “SAMPLE”, “CONFIDENTIAL”, or brand text stamp in seconds. Works on Mac, Windows, iPhone, and Android. No Acrobat needed.
- Mac, Windows, Linux, iOS (iPhone), Android
- Free to use with no watermarks
- No sign-up required
Easy PDF Watermark Editor
Type your text (e.g., SAMPLE, DRAFT, CONFIDENTIAL), set font, size, color, opacity, and angle — then stamp the watermark onto every page.
How to Add Watermark in PDF Online
Add watermark to PDF directly in your browser (Chrome, Safari, Firefox, Edge). No downloads, extensions, or Acrobat required.
Add Watermark to PDF on Mac & Mobile
Add watermark to PDF on Mac (free), Windows, iPhone, or Android. Touch-friendly controls make it easy on any device.
Single or Tiled Watermarks
Place one centered stamp or tile the watermark across the page. Adjust gaps, rotation, and position for perfect coverage.
Bold, Subtle, or Angled
Fine-tune opacity for subtle protection, rotate 45–60° for a classic diagonal stamp, and choose readable fonts for professional results.
Private & Fast (Client-Side)
Processing happens in your browser — your PDF stays on your device. Add a watermark to your PDF quickly and securely.
How to Add a Watermark to a PDF (Free & Online)
- 1.
Drag & drop your PDF into the Add Watermark tool at the top of this page.
- 2.
Enter your watermark text (e.g., “SAMPLE” or “CONFIDENTIAL”).
- 3.
Choose font, size, color, opacity, angle, and select single or tiled layout.
- 4.
Click and drag to position if using a single stamp, then hit “Finish” to download your watermarked PDF.
Watermark PDF
Frequently Asked Questions
Yes. Upload your file, type your watermark (e.g., SAMPLE, DRAFT, CONFIDENTIAL), adjust style and position, and download the stamped PDF.
Open this page in Safari or Chrome on your Mac, upload the PDF, customize the watermark, and download the result — completely free with no sign-up.
Type “SAMPLE” as your watermark text, pick a light gray with ~30–40% opacity, rotate ~45° for diagonal coverage, and apply to all pages.
Use a bold, semi-transparent diagonal text stamp across the page so it’s visible without obscuring content. Tiled mode provides stronger protection.
You can create a logo-style text watermark (e.g., your brand name). If you need an actual image logo, save it as a transparent PNG and use an image-watermark option when available.
Yes. The tool runs in your browser (client-side), so your file doesn’t leave your device.
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