PDF Watermark
Free • Private • Browser-only
Add Watermark to PDF Online — Free & Instant
Protect your PDFs by adding custom text watermarks (CONFIDENTIAL, DRAFT, © YourCompany, etc.) directly in your browser. No signup, no watermarks added by us.
PDF Watermark Tool
Add text watermark • Customize • Download
Upload a PDF to add watermark
All processing happens in your browser — your PDF never leaves your device.
Free Online PDF Watermark Tool — Add Custom Text Instantly
Protect your PDFs with professional watermarks like “CONFIDENTIAL”, “DRAFT”, or your company name — all in-browser and completely private.
Instant Protection
Add watermark to entire document in seconds — no software needed.
Maximum Privacy
No upload to servers — your document stays on your device.
Free Forever
Unlimited use. No quotas. No registration required.
Why Add Watermarks to PDFs?
Watermarks are a simple yet powerful way to protect intellectual property, indicate document status, or brand your files. Common reasons include:
- Mark documents as “DRAFT”, “CONFIDENTIAL”, “INTERNAL USE ONLY”
- Add copyright notice © YourName 2026 or company logo text
- Prevent unauthorized sharing of sensitive reports, proposals, or designs
- Indicate review status or version number on contracts and legal files
How Our PDF Watermark Tool Works
- Upload your PDF document
- Customize text, size, opacity, rotation angle
- Apply — watermark is added diagonally on every page
- Download the protected PDF instantly
Common Use Cases
Why Choose This PDF Watermark Tool?
Real Privacy
Unlike Smallpdf, iLovePDF, Adobe online — no file upload required.
Truly Free Forever
No daily limits, no premium upsells, no forced accounts.
Fast & Offline Capable
After first load, add watermarks even without internet.