Watermark PDF

Upload a PDF and enter watermark text. A subtle diagonal watermark is applied to all pages.

Limits: up to 20 files, 15MB per PDF, 10MB per image, 25MB total, up to 200 pages per PDF.

Drag & drop files here, or browse

About this tool

Upload a PDF and enter watermark text. A subtle diagonal watermark is applied to all pages. PDF Tool Hub is completely free to use: no sign‑up, no email address, no subscription, and nothing else required. Just open a tool and go. We do not store your files or personal data, do not use tracking cookies, and process files only temporarily on our servers. We do not send your files to third parties.

FAQ

Can I customize position or opacity?

This MVP uses a fixed style for simplicity and consistency.