Watermark PDF
Stamp a text watermark on every page of your PDF. Free to use, no account needed.
- 🔒 Files deleted after 1 hour
- ⚡ Secure 256-bit SSL
- ⭐ 4.8/5 from 12k+ users
The ultimate solution to convert and manage PDF documents with ease
PDFSwitch AI meets all requirements to convert, edit and manage your PDF documents.
PDF editing made easy
Edit your PDFs effortlessly with our intuitive tools. Add text, images, annotations, or even e-signatures, all in just a few clicks.
100% safe and secure
PDFSwitch AI keeps your documents and privacy safe. You can boost security with features like file password encryption, encrypted storage, and more.
15 million people, 180 countries, one simple tool
More than PDF editing, much more
How to watermark pdf
- Upload your PDFDrag & drop your file into the upload area, or click to browse.
- Set your watermarkType the text and adjust size, opacity and angle.
- ApplyThe watermark is stamped on every page, in your browser.
- Download your watermarked PDFGet your document with the watermark applied.
Why choose PDFSwitch AI
Stamp every page
Apply a text watermark across the whole document at once.
Runs in your browser
Watermarking happens locally — your file never has to leave your device to be stamped.
Serious about privacy
Files are encrypted in transit and deleted within 1 hour.
No setup needed
Works on any device straight from the browser — no installs.
Protect your work
Mark documents 'Confidential', 'Draft' or with your brand.
Fast and intuitive
Upload, type and download in seconds.
Frequently asked questions
Is adding a watermark free?
Yes — watermarking is free. You only pay when you download the finished document.
Can I control the look?
Yes. Adjust the text, size, opacity and angle of the watermark.
Are my files safe?
Watermarking runs in your browser, and uploaded files are deleted within 1 hour.
What file size can I use?
Up to 100 MB per PDF on the free tier.