There are many alternatives when it comes to editing a PDF, but the best bet is usually to just use Adobe Acrobat on your computer or mobile device.

Learn how to add, update and remove watermarks in Adobe Acrobat. It shows how to add one watermark to multiple PDF documents.

The full version of Adobe Acrobat XI -- unlike Adobe Reader -- allows you to edit, re-save and convert PDF files, which you can use to remove images.

For the longest time, Acrobat was Adobe’s flagship desktop app for working with — and especially editing — PDFs. In recent years, the company launched Acrobat on the web, but it was never ...