iShrink can compress, decompress and create archive's with it's all new easy to use drag and drop interface. Just select the format and drag and drop the file to compress, decompression is even easier, just drag and drop the file on the iShrink window and iShrink will decompress it back to its original state. Creating an archive for multiple files is also as easy, just select the archive option and drag the files to the archive window and click archive.