Add a watermark to PDF
Stamp a text watermark such as CONFIDENTIAL, DRAFT or your company name on PDF pages. Set size, opacity, angle and colour. Free, no upload.
- Upload
- Options
- Download
- ✓ 100% free
- ✓ No sign-up
- ✓ No limits
- 🔒 Files never leave your device
How to: Add Watermark
- Select your PDF files.
- Type the watermark and set style and layout.
- Click Start and download.
A watermark tells readers a document's status or owner at a glance and discourages unauthorised copying. FreePDF adds watermarks in your browser, supports many scripts – Latin, Cyrillic, Greek, Arabic, Hebrew, Devanagari, Thai and more – and never uploads your file.
Common uses
- Mark drafts as DRAFT before circulating them for review.
- Label sensitive documents as CONFIDENTIAL.
- Brand quotes, portfolios or reports with your company name.
- Mark copies of ID documents with "Copy – for rental application only".
Tips for best results
- Low opacity (15–30%) keeps the document readable.
- A 45° diagonal watermark is hardest to crop out.
- Combine with Flatten PDF or Rasterize PDF if you want the watermark harder to remove.
Why use FreePDF for Add Watermark?
| FreePDF | Typical upload-based sites | |
|---|---|---|
| Files uploaded to a server | No – processed on your device | Yes |
| Sign-up required | Never | Often for bigger jobs |
| Hourly / daily task limits | None | Common on free plans |
| Watermark on output | Never | Sometimes |
| Works offline after loading | Yes, for most tools | No |
Frequently asked questions
Can I use non-English text?
Yes. Arabic, Hebrew, Hindi, Tamil, Thai, Cyrillic, Greek and more are supported via Noto fonts.
Can someone remove the watermark?
A text watermark can be removed by determined users with editing software. Rasterizing the PDF afterwards makes removal much harder.
Is Add Watermark really free?
Yes. Every tool on FreePDF is 100% free with no file limits, no sign-up and no watermarks. The site is supported by unobtrusive ads.
Are my files uploaded to a server?
No. FreePDF processes your files directly in your browser using JavaScript. Your documents never leave your device, so they stay completely private.
Does it work on mobile?
Yes. FreePDF works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.