1)   Advanced Batch Converter 4.89
Stop wasting time renaming, resizing or converting images one by one. Quit getting frustrated over complicated image processing software like Photoshop that make performing the most basic image editing tasks a headache. Get Advanced Batch Converter!

 2)   Okdo All to Png Converter Professional 3.5
Okdo All to Png Converter Professional is an easy-to-use and fast png converter. Own the most powerful conversion function. you can batch convert any document, PDF, image, website etc to png with ease.