Hi @pankajs3,
You need to check the Manage Packages. I found one package but it is not working with tiff. Otherwise I think one of simplest way is to make workflow which will open tiff in paint and using some click activities will save it as jpg. 
Hi @pankajs3,
You need to check the Manage Packages. I found one package but it is not working with tiff. Otherwise I think one of simplest way is to make workflow which will open tiff in paint and using some click activities will save it as jpg.