Add Watermark to PDF
Stamp text or logos onto your documents. Professional precision with encrypted processing.
Drop your PDF here
Single PDF file · max 50 MB
How It Works
Upload
Drop your PDF file.
Configure
Design your text or logo watermark.
Download
Save your protected document.
FAQ
Will the watermark affect text search?
Can I use high-res images?
Is this tool secure?
Can I rotate the watermark?
Stamping Documents So the Stamp Does Its Job
The watermarks people actually apply
A watermark is a message to whoever holds the document. The common ones and their conventions:
| Watermark | Purpose | Convention |
|---|---|---|
| DRAFT | Stop people acting on an unfinished version | Diagonal, large, light gray |
| CONFIDENTIAL | Signal handling expectations | Header/footer or diagonal |
| Company logo | Branding on proposals and reports | Low opacity, centered or corner |
| PAID / CANCELLED | Mark processed invoices | Bold diagonal over the amount area |
| Copy for [name] | Trace leaked copies to a recipient | Unique text per copy |
Placement and opacity that don't ruin the page
A watermark must be visible without making the document unreadable: diagonal across the body, 30–50% opacity, and a size that crosses the main content so cropping can't remove it. Solid black at full opacity over text looks aggressive and obscures content; pale gray under the text layer reads as professional. Apply the watermark to every page — a stamp only on page one protects only page one.
What a watermark doesn't do
A watermark deters and labels; it doesn't prevent. Anyone determined can retype content or crop aggressively. For actual control, combine it with password protection (blocks opening or editing), and for authenticity, an e-signature. The three together — label, lock, sign — cover most document-control needs.