There are many image formats, but many are used to work with certain types of formats. This can be done through programs, but today you can do it through online tools,such as Imverter.
Imverter is an application that allows to convert the format of images online for free without records and in a few steps.
The conversion process is very simple, first you have to choose the image to convert, it should not weigh more than 20MB, then choose the conversion format offered, which are : JPG, PNG, GIF, TIFF, BMP and PDF. Finally’ll just click “Convert” and download have your picture in the new format.
As you can see the tool is very basic, as would be ideal if you could resize the image, but I hope you learn a lot.