Stamp confidential notices, custom text, or approval marks across all pages. Adjust opacity, angle, and font size with 100% in-browser privacy.
Drop your document here to add custom watermark stamps
Protect and label your intellectual property in three effortless steps.
Drag and drop any PDF file. The document is loaded securely in your browser.
Choose presets like CONFIDENTIAL or type custom text with custom angles and colors.
Export your watermarked PDF instantly with zero quality loss.
Engineered for corporate legal teams, freelancers, and businesses who value privacy.
Your confidential proposals and NDAs never touch remote servers. Everything runs in-memory.
Keep underlying text crisp and readable by fine-tuning opacity from 10% to 80%.
One-click templates for DRAFT, APPROVED, CONFIDENTIAL, PAID, and TOP SECRET.
Continue modifying your document in our full browser-based PDF editor with a single click.
Learn more about watermark customization, legal branding, and data confidentiality.
Rotate pages, merge files, protect with passwords, or convert formats online.
Free • Instant • 100% Private in Browser