Watermark PDF Online FREE | Free Online PDF Stamper
Protect your documents by adding a custom text watermark. All processing happens locally in your browser. Its 100% free, private, and no sign up required, enjoy OneDoc !
100% Local Privacy
Offline Ready
No Data Tracking
Unlimited Usage
Select PDF file to Watermark
Watermark Settings
How it works
01
Upload PDF
Upload your document. It stays entirely on your device during the entire process.
02
Set Text
Type the text you want as a watermark. We apply it with professional transparency and rotation.
03
Secure Download
Generate and download your watermarked PDF instantly without any file size limits.