Watermark Tool
Add Watermark to PDF
Add a custom text watermark to all pages of your PDF — control opacity, size, angle and colour.
Drag & drop here, or Tap to browse
Max 50 MB per file
or import from
Frequently Asked Questions
Is the watermark permanent?
Yes — it is baked into the PDF. Use an unlocked copy if you need to remove it later.
Can I control transparency?
Yes — the opacity slider lets you set transparency from fully visible to barely noticeable.
Which pages get watermarked?
All pages in the document receive the same watermark.
Can I choose the watermark colour?
Yes — pick any colour using the colour picker in the options panel.