PDF Watermark
Add a text watermark to your PDF document. Protect your copyright and customize the style.
Upload PDF
Select a PDF document to add a watermark.
Drop your PDF here
or browse for a file on your device
PDF Watermarked Successfully!
🔒 Your PDF is processed locally in your browser. It is not uploaded to an OffSecPath server.
Free Online PDF Watermark Tool
Protecting your digital documents is crucial. Whether you are sharing a draft contract, a confidential report, or your own creative work, adding a watermark is the best way to deter unauthorized use. The OffSecPath PDF Watermark tool is a free, secure, and fast way to stamp text watermarks onto your PDF directly in your browser.
Unlike other tools that require you to upload your sensitive documents to a server, our tool uses client-side JavaScript and the PDF-lib engine to process your files locally. Your data remains 100% private.
Why Use Our PDF Watermark Tool?
- Customizable Text: Add your company name, copyright notice, or a status like “CONFIDENTIAL” or “DRAFT”.
- Tiled Diagonal Mode: Apply a repeating watermark across the entire page, making it nearly impossible to crop out.
- Styling Options: Adjust the font size, color, and opacity to match your document’s design.
- Privacy First: Your files never leave your device. All processing is done locally.
How to Add a Watermark to a PDF
- Click “Choose PDF File” or drag and drop your PDF into the upload area.
- Enter your watermark text.
- Choose a position. We recommend “Tiled Diagonal” for maximum security.
- Adjust the color, font size, and opacity.
- Click Add Watermark & Save and download your protected document.
Frequently Asked Questions
1. Is this PDF watermark tool free?
Yes, it is completely free with no limits on the number of files or pages.
2. Are my PDFs uploaded to a server?
No. The processing happens locally in your browser. Your files never leave your device.
3. Can I remove a watermark later?
Once a watermark is flattened into a PDF, it becomes difficult to remove without specialized software. Always keep a backup of your original, unwatermarked file.
4. Can I use an image as a watermark?
Currently, our tool supports text watermarks. We may add support for image logos in a future update.