PDFgear offers many more editing features than just adding images to PDF. Listed below are some of the features you may be interested in Change photo to PDF Convert your photo collection into a polished PDF portfolio with just a few clicks. Add text to PDF, Place free text anywhere in the PDF document, customize font color and size, etc. Add watermark to PDF, Insert a text or photo watermark to the PDF to prevent it from being stolen. Highlight the PDF, Apply conspicuous colors to your keyword text to make your PDF document more understandable. Digital sign PDF, Add your signature to PDF files online without paper documents.