Palm PCs are used by business travelers and executives, since it can be used both as a mobile phone and a simple organizer to store contact information, appointments and to-do work activities. These systems have the ability to sync this information with a personal computer. But they do not provide option to sync with a Web server.

PIM Down loader, in short PIM-Dler, is a PDA application that enables user to download and upload Personal Information Management (PIM) data between their PDA device and a Web server. This PIM data includes Tasks, Calendar and Contacts. As they travel they can upload data that is not necessary to a web server and keep those necessary. This allows them to utilize the memory of the PDA efficiently.