📂 Choose a file⚙️ Pick settings⬇️ Save the result
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Help & FAQ
Watermark PDF FAQ
❓ Quick answers
How do I add a watermark to a PDF, step by step?
- Choose a PDF.
- Type your watermark text.
- Pick placement and opacity.
- Click Add watermark.
What do the placement options do?
Tiled repeats across the page. Single adds one large stamp. Footer adds a small line at the bottom.
Are my files uploaded?
No. Your PDF stays on your device.
Does it add a watermark of its own?
Yes. The output includes your typed watermark plus a small Just Compress app logo watermark.
How do I watermark a PDF on iPhone?
Use this page in Safari, or get the Just PDF Watermark app.