Add Watermark
Add custom text watermarks to your PDF pages with adjustable opacity, font size, and rotation locally.
Watermark Settings
Selected: document.pdf
Applying watermark overlay locally...
All calculations are run locally inside your browser context. Please do not close this tab.
Task Completed successfully
Your new file is ready to download.
Executado 100% localmente no seu navegador
Seus arquivos são lidos diretamente na memória RAM isolada do navegador. Usamos WebAssembly de alto desempenho para processamento local, sem envio de dados para servidores.
Modifique y refine sus documentos PDF fácilmente. Nuestra herramienta Add Watermark proporciona ajustes de alta fidelidad y ediciones estructurales localmente en su dispositivo.
Como usar nossa ferramenta gratuita Add Watermark
Load PDF document
Drag and drop your PDF file or click to browse and select it from your device folder.
Edit layout or contents
Apply the desired edits, adjustments, or styles using our visual browser interface.
Export modified PDF
Click the save button to compile the modifications and download your updated PDF file.
Por que usar o PDFVoid Add Watermark?
100% Local y Seguro
Todas las operaciones se ejecutan en tu navegador. Los archivos nunca se suben.
Sin límites de uso
Procesa todos los documentos que necesites. Sin registro, pagos ni marcas de agua.
Velocidad instantánea
Utiliza la potencia de tu CPU para procesar archivos al instante, eliminando esperas.
Perguntas frequentes
Will this tool add watermarks to my edited PDF?
No, PDFVoid is fully open and free. We do not inject watermarks, stamps, or logos into your documents.
Is my confidential data secure while editing?
Yes. Since the editing runs inside your browser tab's RAM sandbox, no files are transmitted to servers, making it compliant with strict corporate privacy rules.
Can I reverse the changes?
Yes. Your original local file remains untouched. Changes are only applied to the memory copy, so you can reset or retry as needed.