Add Watermark

Adding a watermark is a simple way to label and protect your PDF. If you want to mark a document as confidential, draft, sample or add your company logo, this free Watermark PDF tool lets you do it in just a few clicks. You can add either a text or image watermark, adjust its size, opacity, position and rotation, and apply it to every page of your PDF. The tool is free, requires no signup, adds no extra branding and works in any modern web browser.

Add Text or Image Watermarks With Ease

Choose the type of watermark that fits your needs. You can type text such as confidential, draft, or your company name or upload an image like a logo or stamp. A transparent PNG works best if you want the watermark to blend neatly with the page. You can customize the watermark by changing its transparency, rotating it and placing it in the center, a corner or across the entire page. Any changes you make are automatically applied to every page of the document. If you want extra security after adding a watermark, you can also protect the PDF with a password before sharing it.

Keep Your Original Content Unchanged

The watermark is added as a separate layer over your PDF, so the original text, images, and formatting remain unchanged. This allows you to create a watermarked copy while keeping the original file untouched. Using a lower opacity keeps the document easy to read while making the watermark clearly visible. This is ideal for draft documents, review copies, presentations, and proof versions. If your document is split into multiple files, you can merge them first before adding the watermark. Adding page numbers can also help organize longer documents.

Free, Secure and Works on Any Device

The Watermark PDF tool is completely free to use and never adds its own logo or branding to your document. Only the watermark you choose appears in the final PDF. Your files are uploaded through a secure encrypted connection and are automatically removed from the server after processing to help protect your privacy. The tool works on Windows, Mac, Linux, Android, iPhone, and tablets without requiring any software installation. Keep in mind that a watermark helps discourage unauthorized copying, but it does not fully protect a PDF. Placing the watermark diagonally across the page with medium opacity makes it much harder to remove or crop than placing it in an empty corner.