Find out how to insert an image into a PDF file easily. This post introduces 3 good-to-use PDF editors including desktop software and online tool: SwifDoo PDF, Adobe Acrobat, iLovePDF.

How to Insert a Watermark in a PDF File. Watermarks are images or text displayed over the top of or underneath content in your PDF files to indicate information such as who owns the document, who ...

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.