Thumbs up Rated 5 out of 5 stars

Awesome work!

Đánh giá này là cho một phiên bản trước của tiện ích (0.41). 

Thank you for your comments.
I am so surprised that it does not support PNG in your firefox for I have test JPEG, PNG, GIF and BMP files in several computers and it seems to work fine here. So would you please give me more details about it? I will try to find the problem and fix it.