Is this PDF watermark tool free?

Yes. The online tool is completely free with no sign-up. Output PDFs include your chosen text plus a small Just Compress app logo watermark.

Can I watermark every page at once?

Yes. The text is stamped on every page of the PDF in one click.

PRIVATE TOOL

Pick a PDF. Add text. Download.

Choose a PDF — or drop it here

text watermark on every page

Watermark text Placement Opacity

Need more controls? Get the iPhone app →

Pick a PDF to begin.

Just PDF Watermark for iOS

★★★★★Protect firstMark sensitive copies.

★★★★★Every pageStamp the whole PDF in one go.

★★★★★Preview firstCheck before export.

Help & FAQ

Short answers for common questions.

How do I add a watermark to a PDF, step by step?

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.