offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Add Watermark to PDF
Add text or image watermarks to your PDFs. Position, rotate, and adjust opacity – all without leaving your browser.
Free to use, no watermarks, runs in your browser—nothing uploads to our servers
Upload a PDF
Add a text or image watermark to every page in seconds.
Drag & drop a file or browse
Supports one PDF at a time. Drag & drop or use browse to choose a file.
Upload a PDF to configure watermark settings and export the updated file.
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.