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PDF Watermark Tool
Add Watermark to PDF Documents
Mark your PDFs with CONFIDENTIAL stamps, company logos, QR codes, or tiled patterns. Supports files up to 100MB and 500 pages.
How It Works
Upload, stamp, download
1
Upload Your PDF
Drop in any PDF file. Supports documents up to 100MB and 500 pages.
2
Choose Your Watermark
Text stamp, company logo, QR code, or tiled pattern. Customize fonts, colors, opacity, and position.
3
Download Watermarked PDF
Every page of your PDF is watermarked. Download the protected document immediately.
More Document Tools
Beyond basic PDF watermarking
Multi-Page Support
Watermark applies to every page automatically, up to 500 pages.
Diagonal Text Overlay
Classic diagonal CONFIDENTIAL or custom text across every page.
Encrypted QR Codes
Embed traceable QR codes with AES-256 encrypted payloads.
Batch PDFs
Watermark up to 100 PDF files at once with the same settings.
Template Library
Save and reuse watermark configurations across document sets.
Brand Kits
Store your logo and brand colors for consistent document branding.
FAQ
Up to 100MB and 500 pages per PDF document.
Yes. Text, logo, pattern, and QR code watermarks are applied to every page of the PDF automatically.
Currently the watermark applies to all pages. Page-specific watermarking is planned for a future update.
A text or logo watermark is embedded into the PDF rendering. Simple copy-paste of the text content would lose the watermark, but the visual document (if shared as PDF) retains it. Pattern watermarks are extremely difficult to remove.
Yes. Batch processing supports up to 100 PDF files per batch with identical watermark settings.
AES-256 encryption protects the data inside the QR code. Only someone with your decryption key can read the embedded payload. Useful for tracking which copy of a document was leaked.