Can I use my own logo as the watermark?

Yes. Switch to image mode and upload a PNG or JPG. It's stamped diagonally across each page at the size and opacity you choose. Transparent PNGs keep their transparency.

Can I make the watermark more or less see-through?

Yes. The opacity slider goes from faint to solid, and a live preview shows exactly how it will look before you download.

Can I watermark only some pages?

Yes. You can skip the first page or enter a specific page range; by default every page is watermarked.

Are my files uploaded to a server?

No. The watermark is applied entirely in your browser, so your PDF and logo never leave your device.

Add a watermark to a PDF

Add a watermark to a PDF — either a line of text like “CONFIDENTIAL” or your own PNG/JPG logo — stamped diagonally across each page. Adjust the opacity, angle, size, and colour, choose which pages to mark, and see a live preview before you download. Runs entirely in your browser, so your file never leaves your device.

Drop pdf file here, or click to browseMax 100 MB per file

How to watermark pdf

Upload your PDF.
Type watermark text or upload a logo, then set opacity and angle.
Click Add watermark and download the result.

Frequently asked questions

Can I use my own logo as the watermark?: Yes. Switch to image mode and upload a PNG or JPG. It's stamped diagonally across each page at the size and opacity you choose. Transparent PNGs keep their transparency.
Can I make the watermark more or less see-through?: Yes. The opacity slider goes from faint to solid, and a live preview shows exactly how it will look before you download.
Can I watermark only some pages?: Yes. You can skip the first page or enter a specific page range; by default every page is watermarked.
Are my files uploaded to a server?: No. The watermark is applied entirely in your browser, so your PDF and logo never leave your device.