Add Professional Watermarks to Your PDFs

Protect and brand your PDF documents with custom text or image watermarks. Fast, secure, and completely free to use.

✓ 100% Secure ✓ No Registration ✓ Client-Side Processing
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Upload Your PDF File

Drag and drop your PDF here or click to browse

Note: Your file will be deleted once your session ends or you clear the app.

Documentation: PDF Watermark Tool - User Manual

How to Use PDF Watermark Tool

1

Upload Your PDF

Click "Choose PDF File" or drag and drop your PDF document into the upload area. Your file is processed locally and never uploaded to our servers.

2

Choose Watermark Type

Select between text watermark or image watermark. For text, enter your custom message. For images, upload your logo or image file.

3

Customize Settings

Adjust opacity, size, rotation, color, and position to get the perfect watermark appearance for your document.

4

Preview & Download

See real-time preview of your watermarked PDF. Once satisfied, click "Download PDF" to save your watermarked document.

Powerful PDF Watermarking Features

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100% Secure & Private

All processing happens in your browser. Your files never leave your device, ensuring complete privacy and security.

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Text Watermarks

Add custom text watermarks with full control over font size, color, opacity, rotation, and positioning.

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Image Watermarks

Upload your logo or any image as a watermark. Supports PNG, JPG, and other common image formats.

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Real-time Preview

See changes instantly as you adjust settings. No guesswork - preview exactly how your watermark will look.

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Mobile Friendly

Works perfectly on desktop, tablet, and mobile devices. Responsive design for any screen size.

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Lightning Fast

Optimized for speed with efficient processing. Add watermarks to multiple pages in seconds.

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Precise Positioning

Choose from preset positions or customize exact placement of your watermark on each page.

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No File Size Limits

Process PDFs of any size. From single-page documents to large multi-page files.

Frequently Asked Questions

Is this PDF watermark tool completely free?

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Yes! Our PDF watermark tool is completely free to use with no hidden charges, registration requirements, or file limits. You can watermark as many PDFs as you need.

Are my files safe and secure?

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Absolutely! All PDF processing happens directly in your browser using JavaScript. Your files never leave your device or get uploaded to our servers, ensuring complete privacy and security.

What file formats are supported for watermarks?

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For image watermarks, we support all common formats including PNG, JPG, JPEG, GIF, and WebP. PNG is recommended for best quality with transparency support.

Can I add watermarks to password-protected PDFs?

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Currently, our tool works with unprotected PDF files. If your PDF is password-protected, you'll need to remove the password first before adding watermarks.

Is there a limit to PDF file size?

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There are no artificial file size limits imposed by our tool. However, very large files may take longer to process and require more memory from your browser.

Can I customize the watermark appearance?

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Yes! You have full control over opacity, size, rotation, color (for text), and positioning. You can also choose from preset positions or create diagonal patterns.

Does the tool work on mobile devices?

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Yes! Our tool is fully responsive and works on all devices including smartphones and tablets. The interface adapts to your screen size for optimal usability.

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