How to fill a form or add text to PDF and scanned images?

and images. It provides you with three modes: Add images, Scan paper and Add PDF file. Take "Scan paper" as example:

1. Start the program and click "Scan paper" to scan paper document (make sure your computer is connected with a scanner);

2. Add text to fill in the forms of the scanned file, click "Draw memo" to add text to where you want (you can define text font type, color, size and text align);

3. You can also draw image, line, arrowhead, rectangle and ellipse to the pages;

4. Click "Save as PDF" icon after all settings are done, and you will get a new PDF with text filled.