Add Watermark
Stamp a text watermark on your PDF.
or drag and drop here
🔒 Your files never leave your device
How to use
Choose or drop your file
Pick options and start
Download the result
About Add Watermark
Add Watermark places a text mark across your PDF pages to label drafts, protect confidential documents or brand your files. Adjust the text, opacity and size to suit your document.
- 100% free
- Files stay on your device
- No sign-up
- No watermark
- Works on mobile
Frequently asked questions
Can I change transparency?
Yes. Set the opacity so the watermark is visible but doesn't hide the content.
Is it applied to all pages?
Yes, every page receives the watermark.
Is Add Watermark free?
Yes. Add Watermark is completely free, needs no account and never adds a watermark to your files.
Are my files safe?
Yes. Your file is processed inside your browser on your own device; it is never uploaded or stored.
Can I use it on my phone?
Yes. Add Watermark works in every modern browser on iPhone and Android, no app needed.
Is it safe to use Add Watermark online?
Yes. Add Watermark processes your file on your own device, inside your browser. The file is never uploaded, stored or shared, and the connection is encrypted with HTTPS.
Does Add Watermark work on iPhone or Android without an app?
Yes. It works in Safari, Chrome and every modern browser — no app, no account.