From DICOM Apps:
DICOM Converter is a Windows app for converting DICOM files to popular image formats and converting common image files to DICOM format. You can convert DICOM files to JPEG, PNG, TIFF or BMP format, then you can view them with any popular image viewer. This helps when you don't have a DICOM viewer. You can also convert JPEG, PNG, TIFF and BMP images to DICOM format. DICOM Converter supports RAW, JPEG, JPEG 2000, JPEG-LS, RLE and most of DICOM formats. DICOM Converter integrates with your Windows Explorer, so you can convert images with just one-click.