Are my files uploaded?

No. PDF processing and previews run in your browser. Documents and signature images are not saved to storage.

Can I use an encrypted PDF?

No. Unlock the PDF in a trusted application before using this tool.

What are the file limits?

PDF inputs are limited to 100 MB and 2,000 pages. Images, where used, are limited to 10 MB and 25 million pixels.

ToolHub

PDF Watermark

Add text or PNG/JPEG watermarks to selected PDF pages with position, rotation, and opacity controls.

Stable

Online

📁

Drag files here to upload

or click to select

Watermark text

A blank page range affects all pages. Text uses the standard Latin PDF font. Image width is a percentage of each displayed page. Reduce size or margins if content does not fit. Run to preview the first affected page. PDFs up to 100 MB and 2,000 pages stay in your browser.