Up and Down is freeware program which allows you to change the case of characters in a paragraph text very quickly just in single click. It allows you to make lower-case characters to upper-case characters and the other way round. [ as shown in the image below ]
After changing the case of the text in bulk you can copy the text just by clicking a single button on the top right corner of the application interface, you can copy and paste the text with case changed any where you want.
In short this application allows you to change the case of paragraph text quickly, without Microsoft word, so this utility can come handy for many people like me. This application is available as installer and portable version you can download any version as per your requirement.