Forget that tedious task when you had to change the format of lots of pictures one by one. Now you can select a group of pictures or a folder and then decide what to do with them.
Once you choose the photos you want to convert, you'll have to choose the changes: Choose the putput format - including jpg, png, gif, etc- and click the big button.
Batch Image Converter offers a good bunch of different formats to convert your photos to. That and the fact that it is very fast and easy to use make it a good choice to convert lots of images.