If you want to easily rename files contained in a folder, you can try with VisualRinominaFile.
With this software, you can format the file names using various filters.

VisualRinominaFile is organized in 3 steps.

Step1:
In this step you must select the folder containing files to rename. The subdirectories or files contained in subdirectories would not be renamed.

Step 2:
In left list are filters that you can use to format file names. Some filters are configurable. In the "Filters" section there is a description about the filters. In the right list are filters inserted with the ">>" button. To remove a filter, you can use the "<<" button. To modify a filter, double click on it. Only configurable filters can be modified.

Step 3:
In this step is show a preview. Left list: old file names. Right list: new file names. At this point you can choose if modify/remove/add filters ("<< Back"), or rename files ("Go!").

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this file renaming software.