Add PDF Watermark

Your text across every page, grey, half transparent and at 45 degrees, baked into the PDF. Stamped in your browser, so the file is never uploaded.

Open in PDF ARENA

Add Watermark to PDF: Protect Your Intellectual Property

Whether you want to mark a document as 'DRAFT', 'CONFIDENTIAL', or add your company logo to every page, watermarking is a critical step for security and branding. A watermark prevents unauthorized use and makes it clear who the document belongs to. Doing this page by page in a 100-page document is impossible without automation. TotalPDF Kit gives you full creative control over your watermarks. Use custom text or upload your logo as an image. You can adjust transparency, rotation, and position to ensure your brand is clear but the text remains readable.

How to Watermark Your PDF

1

Upload Document

Upload the PDF you want to brand or protect.

2

Design Watermark

Type your text or upload an image logo. Customize color, size, and rotation.

3

Set Transparency

Use the opacity slider to ensure the watermark doesn't hide the main content.

4

Download Result

Get your protected PDF, ready for distribution or internal review.

Transparency Alpha Channels and Overprinting

Technically, watermarking is the addition of a 'Watermark Annotation' layer: 1. Extended Graphics State (ExtGState): We use this PDF feature to control the opacity (Alpha channel) of the text or image, allowing the content below to 'show through'. 2. Global Stamping: Our algorithm iterates through the entire Page Tree, applying the graphics state consistently to every single page object. 3. Layer Ordering: By default, we place the watermark in the foreground, but you can also choose to put it behind the text if you prefer a 'background' effect.

Brand Protection Made Easy

Text and Image Support: Use words or logos for your watermarks.

Full Transparency Control: Professional look that doesn't block reading.

Nothing to upload: the mark is stamped in your browser and the file never reaches a server.

Frequently Asked Questions about PDF Watermarking

Answering your questions about document branding.

Can I remove the watermark later?
Our tool creates 'permanent' watermarks for security. To remove them, you would need the original file or a PDF editor with object removal capabilities.
Will it make my file much larger?
If you use text, the impact is negligible. If you use a high-resolution logo, we optimize it to keep the file size under control.
Can I rotate the watermark?
Yes, a 45-degree rotation is a classic choice for 'CONFIDENTIAL' stamps, and our tool supports any angle.
How many watermarks can I add?
Our tool is designed for a consistent stamp across all pages. If you need multiple different stamps, you can run the tool several times on the same file.
Is it useful for legal documents?
Yes, it's perfect for marking evidence, case files, or sensitive contracts during the negotiation phase.

Updated on

Do more with your PDFs

Discover all the professional tools we have prepared for you. All in one place.