Welcome to the PDF Watermark Maker! This lightweight web application lets you quickly and securely add customizable text watermarks to your PDF documents. Built with HTML, CSS, and JavaScript, our tool runs entirely in your browser — meaning your files never leave your device, ensuring complete privacy. Whether you need to mark documents as "Confidential," add draft notices, or include branding, our intuitive interface makes watermarking effortless with just a few clicks.
Key features include flexible text customization, multiple positioning options, adjustable opacity, and font selection — all designed to give you precise control over your watermarks. You can apply watermarks to specific pages or an entire document, with support for tiled patterns or single placements. The drag-and-drop functionality and clean, modern design make the process smooth and efficient. Best of all, there's no software to install and no files uploaded to external servers, keeping your documents private and secure while you work.
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✨ Features:
Customizable Watermark Text
Add any text as a watermark (e.g., "DRAFT," "CONFIDENTIAL").Multiple Positioning Options
Place watermarks in different positions:Center
Tiled (Repeated Pattern)
Corners (Top-Left, Top-Right, Bottom-Left, Bottom-Right)
Adjustable Appearance
Control:Font Size (10px–72px)
Text Color (color picker)
Opacity (10%–100%)
Rotation (0°, 45°, 90°)
Font Selection
Choose from standard PDF fonts (Helvetica, Times New Roman, Courier, Arial).Page Range Support
Apply watermarks to all pages or specify a custom range (e.g., "1-3,5,7-9").Drag & Drop Upload
Easily upload PDF files by dragging and dropping or browsing.Download Ready
Instantly download the watermarked PDF with a single click.
🛠 Technologies Used:
HTML5 & CSS3 – For structure and styling.
JavaScript (ES6+) – For dynamic functionality.
PDF-Lib – A powerful PDF manipulation library.
FileSaver.js – For saving files directly in the browser.
Font Awesome – For icons.
Google Fonts (Inter) – For clean typography.
📌 How to Use:
Upload a PDF
Drag & drop or click to select a PDF file.Customize Watermark
Adjust text, color, opacity, size, rotation, and position.Select Pages
Choose whether to apply the watermark to all pages or a specific range.Generate & Download
Click "Generate Watermarked PDF" to process and download your file.
Sample Screenshots of the Project
Landing Page
Put Watermark 
PDF with Watermark 
How to Run?
- Download the provided source code zip file.
- Extract the downloaded zip file.
- Open the html file and you are now ready to go!
Video Demonstration for Installation/Setup:
Conclusion:
In conclusion, the PDF Watermark Maker provides a simple yet powerful solution for adding professional watermarks to your documents, combining ease of use with robust customization options — all while keeping your files private and secure through client-side processing. Whether you're marking confidential reports, branding documents, or protecting intellectual property, this tool offers a fast, efficient, and privacy-focused way to enhance your PDFs without any complicated software or data transfers.
That's it! I hope this "PDF Watermark Maker Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming projects.
For additional tutorials and free source codes, explore our website.