Add Watermark to PDF

Stamp text over your PDF — opacity, colour, size, position or mosaic.

Protect Your Documents When You Add Watermark to PDF

In today's digital age, sharing documents online comes with the risk of unauthorized use. Whether you are distributing sensitive business reports, creative portfolios, legal documents, or academic papers, safeguarding your intellectual property is essential. When you add watermark to PDF files, you instantly establish ownership and deter unauthorized copying or distribution. Potato PDF offers a fast, reliable, and completely free online solution to stamp your documents with custom text or images without installing complex software.

Why Use Our Free PDF Watermarking Tool?

Our web-based utility is designed for everyday users and professionals alike who need a quick fix without the hassle of paid subscriptions. Here is why our tool stands out:

100% Free: No hidden fees, subscriptions, or watermarks added by us. Use all our tools without restriction.
Privacy Focused: Your files are processed securely and deleted automatically from our servers shortly after processing.
User-Friendly Interface: A clean, intuitive design means you can watermark your files in just a few seconds, even with zero technical experience.
Cross-Platform Compatibility: Works seamlessly on Windows, Mac, Linux, iOS, and Android directly through your web browser.

How to Add Watermark to PDF Step by Step

Watermarking your files takes less than a minute. Follow these simple steps to get started:

Navigate to the Potato PDF toolkit and select the Add Watermark to PDF utility.
Upload your target document from your computer, cloud storage, or by dragging and dropping the file into the designated area.
Type your desired watermark text or upload an image logo.
Adjust settings such as font size, opacity, rotation angle, and positioning to fit your document layout.
Click the process button to apply the changes, then download your newly protected file instantly.

Frequently Asked Questions

Is it safe to upload confidential documents?

Yes, absolutely. We prioritize your data security by utilizing encrypted connections and automatically removing all uploaded documents from our temporary storage shortly after your session ends.

Can I add an image logo instead of text?

Yes, our tool supports both text-based watermarks and transparent image logos so you can perfectly match your brand identity.

Do I need to install any software?

No installation is required. Everything runs directly in your web browser, saving you time and device storage space.

More PDF tools

Bank Statement Converter — Convert PDF bank statements into clean Excel (XLSX) or CSV — private, in your browser, with balance checks.
Merge PDF — Combine several PDFs into one file, in the order you choose.
Compress PDF — Shrink PDF file size with Ghostscript — pick low, recommended or extreme compression.
Split PDF — Split a PDF into page ranges or extract selected pages.
PDF to JPG — Turn every PDF page into a JPG image, or extract the images inside it.
JPG to PDF — Convert JPG, PNG, GIF and WEBP images into a PDF — page size, orientation and margins.
Rotate PDF — Rotate all pages of a PDF by 90, 180 or 270 degrees.
PDF to PNG — Convert PDF pages into high-quality PNG images.
PNG to PDF — Convert PNG images into a PDF document.
Add Page Numbers to PDF — Number PDF pages — position, format, font, size and colour.
Delete PDF Pages — Remove pages you don’t need from a PDF.
Rearrange PDF Pages — Reorder the pages of a PDF.