Add Watermark
Stamp text, copyright, or status labels onto your PDF documents.
Click to Upload PDF
Secure client-side processing
Watermark Settings
Files are processed locally. No server upload.
Protect Your Documents with Free PDF Watermarking
In an era where digital content can be copied and shared with a single click, protecting your intellectual property is more important than ever. Our **Add Watermark to PDF** tool provides a simple, robust, and completely free way to stamp your authority onto your documents.
Whether you need to mark a contract as "DRAFT," label a report as "CONFIDENTIAL," or simply add your company name to prevent unauthorized use, this tool gives you full control. Unlike complex desktop software that requires subscriptions, our solution works instantly in your browser.
Copyright Protection
Deter theft and plagiarism by overlaying your name or brand across every page of your document.
Full Customization
Control the opacity, color, size, and rotation to ensure the watermark is visible but doesn't obscure the text.
Batch Speed
Our tool applies the watermark to every page of your PDF instantly, handling even large documents in seconds.
Why Use Watermarks on PDFs?
A watermark is a semi-transparent text or image overlay that sits on top of the document content. It serves several critical functions in professional and personal document management:
1. Security and Ownership
The most common use case is protection. By placing a large, diagonal watermark stating "DO NOT COPY" or your company name, you discourage unauthorized distribution. While it doesn't physically stop someone from taking a screenshot, it makes the document unprofessional to use without permission and clearly establishes ownership.
2. Status Tracking
In workflow environments, documents go through many stages. It is crucial to know which version of a file you are looking at.
- DRAFT: Indicates the document is a work in progress and not final.
- CONFIDENTIAL: Warns the reader that the information should not be shared externally.
- APPROVED: Signifies that the document has been reviewed and finalized.
- SAMPLE: Often used by photographers or designers to show work to a client before payment is received.
3. Branding
Every document you send out is an opportunity for brand visibility. Adding a subtle watermark with your company name ensures that no matter where the PDF ends up—forwarded via email or printed out—your brand identity travels with it.
How to Add a Watermark Online
We've made the process incredibly intuitive:
- Upload: Select your PDF file. Our tool loads it securely in your browser.
- Customize:
- Type your text (e.g., "Top Secret").
- Choose a color (Red is great for warnings, Grey for subtlety).
- Adjust transparency so the underlying text remains readable.
- Set the rotation (45 degrees is the industry standard).
- Download: Click the button, and the tool processes every page, stamping your watermark, and providing you with the new file immediately.
Privacy First Technology
Many online PDF tools require you to upload your sensitive documents to a remote server for processing. This creates a risk, especially for confidential contracts or financial data.
We are different. Our Watermark tool utilizes advanced WebAssembly technology to modify the PDF directly on your device. Your file never leaves your computer. This makes it safe to use for legal documents, medical records, and internal business memos.
Best Practices for Watermarking
To get the most out of this tool, keep these tips in mind:
- Contrast is Key: Ensure your watermark is visible but not distracting. A light grey color with 30-50% opacity is usually perfect for text-heavy documents.
- Placement: Diagonal watermarks (45 degrees) are generally harder to remove or crop out than horizontal ones placed at the top or bottom.
- Consistency: If you are watermarking a batch of documents for a project, keep the settings identical to maintain a professional appearance.