Is my document uploaded to a server?

No. Watermarking happens entirely locally in your browser to protect your privacy.

What types of watermarks are supported?

You can add both text watermarks (with customizable color, opacity, and rotation) and image watermarks.

Can I apply the watermark to all pages?

Yes. You can currently apply the watermark to the current page or all pages in the document.

Does watermarking degrade the PDF quality?

No. The watermark is embedded securely as a new layer without altering the resolution of your original document.

Watermark PDF Online

Add professional text or image watermarks to your PDF documents with full control over appearance and placement. This free online watermarker processes everything locally in your browser — your documents never leave your device, ensuring complete privacy for confidential files. Customize every aspect of your watermark: choose from multiple fonts, adjust opacity from subtle to solid, rotate at any angle, scale to any size, and position with pixel precision using drag-and-drop. Supports both text watermarks for headers like CONFIDENTIAL or DRAFT, and image watermarks like company logos or signature scans. Apply watermarks to individual pages or all pages simultaneously with a single click. The watermark is embedded as a permanent layer that survives printing and copying. Perfect for branding documents with logos, marking sensitive files as confidential, adding draft watermarks to works-in-progress, or dating invoices and contracts. No registration, no upload to servers, no watermarks on output. Your PDF downloads instantly with original quality preserved.

✓ No server upload✓ No signup required✓ Open source✓ Unlimited file size

Frequently Asked Questions

Is my document uploaded to a server?: No. Watermarking happens entirely locally in your browser to protect your privacy.
What types of watermarks are supported?: You can add both text watermarks (with customizable color, opacity, and rotation) and image watermarks.
Can I apply the watermark to all pages?: Yes. You can currently apply the watermark to the current page or all pages in the document.
Does watermarking degrade the PDF quality?: No. The watermark is embedded securely as a new layer without altering the resolution of your original document.