Add Watermark to PDF Online Free
Protect your intellectual property and mark confidential files. Add custom text watermarks like "CONFIDENTIAL", "DRAFT", or custom logos with adjustable transparency, position, and font size.
100% Sicher & Lokal im Browser
Keine Dateien werden auf fremde Server geladen. Alle Dokumente bleiben sicher in Ihrem Gerätespeicher.
So funktioniert es — Anleitung in 3 Schritten
- 1. Select File Upload the PDF document you want to stamp.
- 2. Customize Watermark Type your text, adjust opacity, angle, and position.
- 3. Apply & Download Save your watermarked PDF immediately.
Häufig gestellte Fragen (FAQ)
Can I change the transparency of the watermark?
Yes, you can adjust opacity so underlying document text remains completely legible.