Total Image Converter is great program to converts images.
It’s available in several languages English, Spanish, German, French, Russian, Japanese and work with Win 2000/NT/XP/2003/Vista/7.
Total Image Converter converts images to other formats, crops, resizes and rotates them. Convert large TIFFs into small JPEGs, make photos suitable for the web or recover old photos in unsupported formats – Total Image Converter will do everything for you.
•Supports TIFF, JPEG, RAW, PNG, BMP, PSD, TGA, and many other image formats
•A handy resize option to make the photo smaller
•Crops your images as you like
•Converts images in batches
•Watermarking: add your comment, logo or date
•Convert images from your desktop as well as via command line
you can download Total Image Converter from here.
also you can convert images to other formats online without download software from here.