Watermark your PDFs, your way.
Add custom text watermarks to PDF pages. Control the text, color, position, size, opacity, rotation, and which pages receive the watermark.
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Add text watermarks to PDFs in seconds
PixelTools Add Watermark to PDF lets you stamp text such as CONFIDENTIAL, DRAFT, SAMPLE, COPYRIGHT, or your business name onto a PDF document.
Customize the watermark appearance and apply it to all pages or only selected page ranges. The process happens directly in your browser, so your PDF does not need to be uploaded to a remote server.
A simpler way to get things done
Everything you need without unnecessary software, accounts, or complicated workflows.
Custom watermark text
Add your own message or choose quick presets such as CONFIDENTIAL, DRAFT, SAMPLE, and COPY.
Full styling control
Choose a color, font size, transparency, rotation angle, and one of nine placement options.
All pages or selected pages
Watermark an entire document or target page ranges such as 1-3, 5, and 8-10.
Subtle or prominent
Use opacity controls to create a light background mark or a highly visible stamp.
Private by design
Your PDF stays on your device and does not need to be sent to a PixelTools server.
Fast and simple
Upload, customize your watermark, and download the finished PDF in a few clicks.
How to use add watermark to pdf
Complete your task in three simple steps.
Upload your PDF
Choose a PDF file from your device or drag it into the watermark tool.
Design your watermark
Enter text, choose its placement, color, opacity, font size, rotation, and page scope.
Download the watermarked PDF
Click Add Watermark to PDF and download your finished document.
Free online PDF watermark tool
PixelTools Add Watermark to PDF is a free online tool for applying text watermarks to PDF documents. It is useful for labeling documents as confidential, draft, sample, copy, internal, or approved, as well as adding copyright notices, organization names, and branding text.
You can customize the watermark text, color, size, opacity, rotation, and position. Place it in the center for a diagonal document stamp, or use a corner position for a smaller branding or copyright notice.
Choose whether to watermark every page or only specific pages. For example, add a DRAFT mark only to pages 1-3, or apply CONFIDENTIAL across an entire multi-page report.
The finished PDF is created directly in your browser. Your original document does not need to be uploaded to a PixelTools server, helping keep contracts, client files, internal reports, financial documents, and personal paperwork on your device.
Frequently asked questions
Everything you need to know about this tool.
How do I add a watermark to a PDF?
Upload a PDF, enter your watermark text, choose the styling and page options you want, then click Add Watermark to PDF. Your browser will download the finished PDF.
Can I add CONFIDENTIAL or DRAFT to a PDF?
Yes. The tool includes CONFIDENTIAL and DRAFT presets, or you can type any custom watermark text.
Can I watermark only some PDF pages?
Yes. Choose Specific pages and enter page numbers or ranges such as 1-3, 5, 8-10.
Can I change watermark opacity?
Yes. Use the opacity slider to make the watermark subtle or highly visible. Around 20% to 35% opacity is commonly useful for a readable diagonal document stamp.
Can I rotate a PDF watermark?
Yes. Use the rotation slider to turn the watermark from -90° to 90°. A -45° angle is a common diagonal watermark style.
Is Add Watermark to PDF free?
Yes. PixelTools Add Watermark to PDF is free to use and does not require an account or subscription.
Are my PDF files uploaded to a server?
No. Your PDF is processed directly in your browser and does not need to be uploaded to a PixelTools server.
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