You can use tise converter from site
STEP 1: Select file to convert
Click on "Browse" button and select image file from your PC that you want to convert. The supported file types are .eps, .psd, .dds, .plt, .hpgl, .hgl, .pcx, .tga, .ai, .cr2, .nef, .crw, .raf.
STEP 2: Select format to convert to
Select extension that you want to convert to and click "Convert" button. Wait until converting is finished to preview, resize or save converted image.