Add Marca d'água
Stamp custom semi-transparent text overlay on pages.
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Download Processed FileProfessional Online Add Marca d'água Tool
Protect your digital files from theft and copying. Embed custom text watermarks with control over transparency, sizing, and angles on all PDF pages.
Custom Text Overlays
Type text stamps (like 'CONFIDENTIAL', 'COPY', or your brand name) to watermark your document pages.
Precise Opacity & Rotation
Adjust text opacity using sliders and set custom rotation angles (e.g. 45 degrees) to blend stamps perfectly.
Secure Brand Stamp
Keep your documents safe. Your watermarked outputs are generated dynamically and stored securely.
How to use our free Add Marca d'água online tool
Step 1
Upload your PDF document.
Step 2
In the settings panel, input your custom watermark text.
Step 3
Adjust the transparency opacity level and rotation angle sliders.
Step 4
Click 'Add Marca d'água' and download your stamped PDF.
Frequently Asked Questions
How to add a text watermark to a PDF online?
Upload your PDF, type your custom stamp text in the sidebar, set your desired opacity and angle, and click Add Marca d'água to overlay it on all pages.
Can I control the transparency of the watermark?
Yes. The opacity slider in the sidebar allows you to set transparency from 10% (barely visible) to 100% (solid text).
Will the watermark appear on all pages?
Yes, our watermark tool stamps the overlay at the exact center of every page in the document.