PDFumi
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Add watermark to PDF online

Place text on every page — drag to position, use presets, then download. Free daily quota applies.

Quick Guide

How to Use: Add watermark to PDF online

1. Upload Document

Select files from your device or drag and drop your document into the upload area above.

2. Process & Customize

Adjust options to your preference. The system processes and optimizes your document instantly.

3. Instant Download

Save your clean output file with zero watermarks, ready for any personal or official use.

256-bit SSL Security

End-to-end SSL/HTTPS encrypted processing. Your files are automatically deleted within 1 hour.

Zero Watermarks

Clean documents with no added watermarks. Preserves sharp typography and original layout.

Cross-Platform Access

Works smoothly on macOS, Windows, iOS, and Android without downloading any third-party app.

Watermark FAQ

Can I position the watermark anywhere?
Yes. Drag it on the live preview or use presets (diagonal, center, edges).
Is the watermark applied to every page?
Yes. The same text and position are stamped on all pages of the PDF.
What file size is supported?
PDF up to 5MB on the free tier.