Add a text watermark to PDF
Adds the text as an image, including Korean and Chinese. It does not securely redact content or prevent copying. The tool processes files in your browser without uploading them.
Choose PDF → set text, opacity, angle and size → convert and download
FAQ
Are files uploaded?
The tool processes files in your browser without uploading them.
What are the limits?
Up to 100MiB per file and 200 PDF pages, or 100 images. Smaller inputs may still fail on memory-constrained devices.
Is the original preserved exactly?
Adds the text as an image, including Korean and Chinese. It does not securely redact content or prevent copying. Conversion or resaving can affect digital signatures. Review important documents after downloading.