💧 Add Watermark to PDF
Add a text watermark to every page of your PDF.
Process a PDF locally
Choose a PDF to begin.
How to use this tool
Select one PDF, choose any settings, then press Process PDF. Review the output carefully before relying on it for important work. No document is sent to OpenToolKit servers. The PDF processing library is loaded from an external CDN.
Example use
Add a text watermark to every page of your PDF. For example, take a three-page PDF and check all three output pages or the associated downloaded text or PDF.
Limitations
This stamps visible text on pages and does not provide tamper-proof document authentication. Encrypted or damaged PDFs may not work, and complicated formatting may not be preserved perfectly. Large pages can consume significant browser memory.