How to Add a Watermark to a PDF
- Upload your PDF — Click the upload area or drag and drop your file into the box above.
- Customize your watermark — Type your text, pick a font, choose a color, and set the position and opacity using our live editor.
- Preview in real-time — See exactly how your watermark will look on every page before downloading.
- Download instantly — Click Apply and get your stamped PDF in seconds.
100% Private
Your files never leave your device. Everything is processed in your browser — nothing is uploaded to any server.
Lightning Fast
No uploads, no waiting. Watermarking happens instantly using your browser's built-in power.
Works on Mobile
Fully optimized for phones and tablets. Watermark a contract from your iPhone or Android device.
Why Add a Watermark to Your PDF?
Protect Your Copyright
Stamp your name or company logo across every page to prevent unauthorized copying and distribution of your documents.
Label Document Status
Clearly mark files as DRAFT, CONFIDENTIAL, FINAL, or SAMPLE so there is no confusion about the version or status of a document.
Strengthen Your Brand
Add your brand name to reports, proposals, and whitepapers. Every page carries your identity when it's shared with clients or partners.
Frequently Asked Questions
Is this watermark tool really free?
Yes, completely free. No hidden costs, no sign-ups, no limits on the number of files you can process.
Can I change the color of the watermark?
Absolutely. You can pick any color using the color picker to match your brand or document style.
Does adding a watermark affect PDF quality?
No. Watermarking only draws text on top of the existing pages. The original content quality remains unchanged.
Is my document secure?
100%. Your PDF is processed entirely inside your browser. We never upload, store, or see your files.
Can I use this on my phone?
Yes. Our tool is fully responsive and works perfectly on iPhones, Android phones, tablets, and desktops.