PDF Tool
Watermark PDF
Add watermark to PDF documents online. Use our private PDF watermark creator to stamp PDF files with custom text, angle, and opacity controls.
Zero server uploads
Pure client-side processing
Immediate in-memory export
Drop files here, or click to browse
PDF, DOCX, XLSX, PPTX, JPG, PNG, MP3, MP4, EPUB, ZIP and 100+ more
How to Use Watermark PDF in 3 Simple Steps
1
Add Input Files
Drag or drop your supported files directly into the active workstation above.
2
Configure Parameters
Adjust settings, preview alterations in real time, or customize options.
3
Save & Download
Export completed files directly to your device with zero cloud latency.
Frequently Asked Questions
Yes. Our PDF watermark creator allows you to enter any text string, adjust transparency, and choose diagonal or horizontal placement.