Is this Watermark tool free to use?

Yes, 100% free with no hidden charges, trial limits, or login steps.

Is my data stored or tracked?

No. All computations are handled locally in your browser memory and cleared when you close the tab.

Does it work on mobile devices?

Yes, the interface is fully responsive and optimized for smartphone touchscreens.

PDF Watermark

Stamp text onto every page of a PDF.

Drop files here, or click to browse

Watermark text

Opacity: 0.25

Free Online PDF Watermark Tool — Add Text Watermarks to PDF Documents

Protect Document Ownership with Custom Text Watermarks

Stamp custom text watermarks (e.g. 'CONFIDENTIAL', 'DRAFT', or company name) across all pages of your PDF document. Adjust opacity, font size, rotation angle, and text color to ensure document security.

💡How to Use

Enter your input data into the Watermark tool area.
Configure options or preferences if available.
Copy or download your clean output instantly.

🎯Common Use Cases

Daily productivity workflows requiring quick watermark processing.
Privacy-sensitive environments where data must not be uploaded.
Mobile and desktop browsing without software installation.

⚡Key Features & Advantages

100% client-side execution in local browser memory
Zero data transmission to cloud servers for privacy
Free forever with no usage caps or account signups

❓Frequently Asked Questions

Does watermarking modify original text?

No, watermarks are stamped as transparent overlay layers on top of your PDF pages.

🔒100% Private & Secure: All processing runs locally inside your web browser (client-side). Your text, data, or files are never uploaded to any cloud server.