Add Watermark to PDF
Protect your PDF documents with custom text watermarks, transparency, and rotation.
Choose a PDF document or drop it here
Customize text, font size, opacity, and rotation angle
Watermark Settings
Zero Server Uploads. Your Files Stay on Your Device.
Unlike online document converters that upload your confidential contracts, invoices, and private data to external cloud servers, this tool executes 100% locally in your web browser. All parsing, rendering, and export tasks occur entirely in your device's memory.
Add Watermark to PDF FAQ
Can I customize watermark opacity, font size, and rotation angle?
Yes, easily adjust text content, font styling, color, opacity (0%-100%), and angle (0° to 360°) with live preview.
Will the watermark appear across every page?
Yes, the watermark is applied consistently across all pages of your document.
Are my watermarked documents uploaded to a server?
No. Watermark compositing happens entirely in client memory inside your browser.
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