PDF Watermark
Add text watermarks to your PDF files instantly
🔒 100% client-side — your files never leave your browser.
Drag & drop your PDF here
or
Maximum file size: 50MB
How to Use
- Upload your PDF — Drag and drop your file or click to browse.
- Configure watermark — Enter your watermark text, adjust font size, color, opacity, rotation, and position.
- Preview — See a live preview of how your watermark will appear on the page.
- Add watermark — Click the "Add Watermark" button to apply the watermark to all pages.
- Download — Save your watermarked PDF to your device.
Why Use PDF Watermark?
Add watermarks to mark confidential documents, track distribution, or protect intellectual property. Control text, font, size, color, opacity, rotation, and position for perfect watermark placement. Watermarks are applied instantly using client-side JavaScript — no waiting for server uploads. All processing happens in your browser. Your files are never uploaded to any server.
Frequently Asked Questions
You can add text watermarks with customizable font, size, color, opacity, rotation, and position. Common use cases include adding "CONFIDENTIAL", "DRAFT", "DO NOT COPY", or company names to documents.
Yes, the watermark is applied to every page of the PDF. Each page receives the same watermark with the same settings you configured.
Absolutely. All processing is done entirely in your browser using JavaScript. Your PDF files are never uploaded to any server, so they remain completely private and secure on your device.