PDF Watermark
Add a text watermark to your PDF and download the updated file Los archivos se procesan en tu navegador sin enviarse a un servidor de conversión. Gratis y sin registro.
Add a PDF
Drag & drop a PDF here, or pick a file using the button.
- Non-Latin text (e.g. Japanese) may not render correctly in the MVP.
- Tiled watermarks can be slow for large PDFs.
Watermark settings
Adjust text, style, and where to apply the watermark.
Overview
Los archivos se procesan en tu navegador sin enviarse a un servidor de conversión. Gratis y sin registro. PDF Watermark adds a text watermark like CONFIDENTIAL, DRAFT, or SAMPLE to your PDF and exports a new file. Processing happens locally in your browser for privacy.
How to use
Upload a PDF
Choose a PDF file or drag & drop it.
Customize watermark
Set text, size, color, opacity, rotation, and position.
Download
Apply the watermark and download the updated PDF.
Un ejemplo de uso
Marca una copia de revisión como BORRADOR. Comprueba que el texto siga siendo legible; la marca de agua no impide copiar ni editar el archivo.
Features
Text watermark
Add clear labels like CONFIDENTIAL or DRAFT.
Page targeting
Apply to all pages or only specific pages.
Local processing
No uploads — runs in your browser.
FAQ
Can I add an image/logo watermark?
Not yet. MVP supports text watermark only.
Does this work with encrypted PDFs?
If the PDF is password-protected, watermarking may fail and an error will be shown.