Watermark PDF — Add Text Watermarks to PDF Free
Stamp custom text like DRAFT, CONFIDENTIAL, or your company name across every page.
Watermark PDF workspace
or drag and drop your PDF here
Files are processed securely in your browser and are never uploaded to our servers.
How to use Watermark PDF
Just 3 simple steps to reduce your PDF file size quickly.
- 01→
Select your PDF
Upload your PDF document.
- 02→
Choose compression
Type your watermark text, position (center/corner), and transparency.
- 03
Download instantly
Apply watermark and download your stamped document.
Why use MyPDF4U for Watermark PDF?
No account, no software installation, and no waiting queues. Every tool opens directly to the upload area with zero watermarks and no file count restrictions. Your files are processed locally in client memory, keeping your documents confidential while delivering instant results.
Windows, Mac & Linux
Works in Chrome, Edge, Safari, and Firefox with no software download.
iPhone & Android
Mobile-first design lets you process files directly from photo galleries and Files.
Permanent Metadata
Rotations are written directly into the PDF specification, so it stays fixed forever.
100% Private & Free
Zero server uploads, no subscription walls, and no added watermarks.
Key features
Custom placement control
Stamp diagonally across the center or in any corner.
Adjustable opacity levels
Choose from subtle 10% watermark to prominent 65% mark.
Preserves underlying text
Original text remains selectable underneath the watermark.
Frequently asked questions
Can I customize the watermark text?
Yes. You can enter any custom phrase such as DRAFT, SAMPLE, COPY, or client names.
Does watermarking affect text selection?
No. Existing text layers remain fully searchable and selectable.
Good to know
Watermarks signal document status (draft, confidential, proprietary) to deter unauthorized sharing before contracts or proposals are finalized.