How to Change the File Extension of Multiple Files

[brijeshK]

I want to change my extension .JPG to .jpg..

of multiple file...
guide me how to do it...

thanks

 

[BlueRevolution]

Name Mangler will do what you're looking for.

 

[TherealDDX]

Guess you could make a simple Automator workflow. But there are some cool apps for that (like, say, Renamer).