Add Watermark
Add text watermark to PDF files
Drop file here or click to select
Formats: pdf · Max. 50 MB
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SSL encrypted
Servers in Europe
Auto-deletion after 1h
No watermark
How it works
Step 1
Upload file
Drag your file into the upload area or click to select.
Step 2
Process automatically
Our servers process your file in seconds — securely and reliably.
Step 3
Download
Download your finished file instantly. No waiting.
Frequently Asked Questions
Is it secure to use?
Yes. All files are transferred via an SSL-encrypted connection and automatically deleted after 1 hour.
Which file formats are supported?
This tool supports the following formats: pdf.
Is there a maximum file size?
The maximum file size is 50 MB per file.
Does it work on mobile?
Yes, sofortpdf.com works on all devices — desktop, tablet, and smartphone.