Can I use a logo instead of text?

This tool stamps text. For photos, use Watermark Image. For signatures, use eSign PDF.

No. The stamp is drawn in your browser.

Can I make it light so it does not hide text?

Yes. Lower the opacity until the stamp sits behind the content comfortably.

Yes. Stamp PDFs for free after you sign in.

Yes. The same text is drawn on each page.

Yes. It is part of the PDF page content, not a screen-only overlay.

In browser

Stamp text on every page in your browser. Set position, size and opacity. Nothing is uploaded.

Drop a PDF here or click to browse

PDF · up to 100 MB

Nothing is uploaded. Watermarking runs in your browser and is discarded when you leave the page.

FormatsPDF

Open a PDF, enter the stamp text, choose where it sits, then download. Processing stays on your device.

Can I use a logo instead of text?: This tool stamps text. For photos, use Watermark Image. For signatures, use eSign PDF.
Is my PDF uploaded?: No. The stamp is drawn in your browser.
Can I make it light so it does not hide text?: Yes. Lower the opacity until the stamp sits behind the content comfortably.
Is Watermark PDF free?: Yes. Stamp PDFs for free after you sign in.
Does it apply to every page?: Yes. The same text is drawn on each page.
Will the watermark print?: Yes. It is part of the PDF page content, not a screen-only overlay.