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Add custom text and image watermarks to PDF documents online for free. Protect intellectual property with adjustable opacity, rotation, and positioning.
Follow this clear workflow to complete your document task with guaranteed privacy.
Select the document you want to brand or protect with a watermark.
Select between Custom Text (e.g. 'DRAFT', 'CONFIDENTIAL') or Image Logo.
Adjust font family, size, color, opacity transparency (10% to 100%), and rotation angle.
Choose to center the watermark, place in margins, or tile diagonally across pages.
Select whether to stamp all pages, even pages, odd pages, or a specific range.
Save your branded document ready for secure client distribution or proofing.
Engineered for speed, privacy, and flawless document rendering.
Applies custom watermarks across hundreds of pages in under 3 seconds.
Proprietary design proofs and financial drafts never leave your local machine.
Zero cloud server exposure, no logging, and complete confidentiality.
Watermark unlimited documents without paying for commercial PDF software.
No account signup, no email required, and zero unwanted watermarks of our own.
Stamp documents seamlessly across Windows, Mac, iPad, iPhone, and Android.
Everything you need to know about processing your files safely.
Encrypt your PDF with robust AES-256 password protection to prevent unauthorized access.
Edit PDF files online for free. Add text, signatures, highlights, drawings, shapes and images directly inside your PDF.
Reduce the file size of your PDF while maintaining optimal visual clarity.
Watermark pdf online online for free. Secure WebAssembly processing in your browser with zero server uploads, 100% privacy, and instant download.
Add confidential watermark to pdf online for free. Secure WebAssembly processing in your browser with zero server uploads, 100% privacy, and instant download.
Add draft watermark to pdf online for free. Secure WebAssembly processing in your browser with zero server uploads, 100% privacy, and instant download.
Process your documents instantly in your browser with bank-grade AES-256 encryption, zero server retention, and zero watermarks.
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