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Add custom text or image watermarks and copyright stamps across PDF document pages.
Stamp copyright text, draft badges, or company logo watermarks across PDF document pages with custom opacity and positioning.
Upload the PDF file you wish to watermark.
Type your watermark text, adjust opacity slider, font size, color, and rotation angle.
Apply the watermark overlay and download your branded PDF document.
Everything you need to know about this developer tool
Upload your PDF file, type your watermark text (e.g. CONFIDENTIAL), configure opacity and placement, then click Apply Watermark.
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Stamp custom copyright text, confidential notices, logos, or 3x3 mosaic tiling across all pages with custom opacity, rotation, and font styling.
Drop your PDF file here or browse
Supports all standard PDF documents up to 100MB • 100% private in-browser execution
Follow these 3 simple steps to process your document privately in your browser.
Select or drag your file into the browser. Documents load directly into local memory with zero server uploads.
Adjust options, preview modifications in the live document viewer, and click execute.
Save your transformed document instantly with pristine vector sharpness and zero watermarks.