Add watermark to PDF – PDFMega

Add watermark to your PDF
Upload a PDF, pick watermark type (text / image / both), adjust size, opacity, rotation and position – then preview it live on the first page.

Upload a PDF and configure watermark settings. A live preview shows how the watermark will look on the first page.

No file selected yet.
Use commas and ranges. Example: 1,3,7-9. Leave blank to watermark every page.
Watermark type
Text watermark
Subtle gray works best.
Font size 40 px
Opacity 20%
Rotation 45°
Text shadow
Image watermark
PNG with transparent background works best.
Image size 80%
Opacity 30%
Rotation 0°
Layer & position
In final PDF, standard blending applies. Some advanced blend modes are preview-only for now.
Upload a PDF to unlock the watermark button.
Live preview (first page)
We render the first page of your PDF and show how your watermark will look there.
Waiting for PDF…
No file loaded.
Text watermark Image watermark
How to use:
  • Upload your PDF on the left – the first page appears here.
  • Pick text / image / both and tweak sliders (size, opacity, rotation).
  • Click & drag the watermark directly on the preview to fine-tune its position.
  • When you’re happy, click Add watermark – the full PDF will be processed.