Many a times it happens that as the developer of a certain project you will get a PSD (Photoshop) or CDR (Coreldraw) file from either the designer or the client. And as a developer its more than possible that you wont be having software like Photoshop or Coreldraw installed in your desktop. So if you want to view the files or convert it to formats like Jpeg or BMP there is a great free solution. Its the free image viewer IrfanView.
You can download the software here.
With IrfanView you can view a lot of file types and even create slideshows. Find the complete list here.
To convert the PSD, CDR etc. files to JPEG do the following -
1. Open it in IrfanView
2. Go to File -> Save As
3. Choose the file format in which you want to convert the file to.