What you need
- A PDF under 5 MiB (25 MiB on Pro), up to 100 pages
- A desktop browser (upload and download only on a phone)
- Text you can select — not a scan
- A free account, with a confirmed email, to download
Get the image ready
- PNG for a logo or stamp: the area around it stays transparent. A JPEG keeps a solid background.
- Under 5 MiB and at most 2 million pixels.
- Cropped close, so there is no empty margin to drag around.
Steps
- Open the PDF and scroll to the page the image belongs on.
- Choose Image (I) and pick the file.
- Drag it into place and size it by a corner.
- Export PDF and download the new file.
Good to know
- It sits on top of the page. Over words it hides them, so leave it a margin or header.
- To swap a logo, delete the old one with Select (where the file allows;V) and add the new one. The old image data stays in the exported file, so this is not a way to remove anything sensitive. Why.
Related: adding an image to a PDF, sign a PDF.