PDF Watermark
NewAdd a text or image watermark across every page of your PDF
About PDF Watermark
PDF Watermark adds custom text or logo image watermarks across every page of your PDF documents to protect intellectual property and prevent unauthorized distribution.
Adjust watermark opacity, rotation angle, font size, and positioning with live visual preview.
Common Use Cases
- Stamping 'CONFIDENTIAL' or 'DRAFT' across business proposals and legal contracts
- Adding company branding logos to exported PDF invoices and presentations
- Protecting copyright on distributed ebooks and study notes
How to Use PDF Watermark
- Upload your target PDF file.
- Enter custom watermark text or upload a PNG/JPG logo image.
- Adjust opacity, font size, and diagonal rotation, then download your watermarked PDF.
Real-World Examples
Proposal.pdf + Text: 'CONFIDENTIAL', Opacity: 20%, Angle: 45°Proposal_Watermarked.pdf (Faint diagonal stamp across all pages)Important Notes & Limitations
- Applies watermarks on top of existing PDF layers
Privacy & Data Security
PDF Watermark processes all operations 100% locally in your web browser memory. Your files, text snippets, and generated outputs are never stored, logged, or uploaded to any remote server.
Frequently Asked Questions
Yes, you can apply custom text stamps or upload image logos as watermarks.
Yes, adjust transparency sliders, font size, and diagonal rotation angles with live visual preview.
By setting opacity to 15-30%, your watermark remains clearly visible without obscuring underlying document text.
Yes, select whether to apply the watermark across all pages or custom page ranges.