This program isn't on our website, only sold in Mac app store.
When transfer songs from PC to Mac, if the song's name, album information, lyric etc aren't in English, those information will be irrecognizable on Mac when importing to iTunes. Our ID3Mod2 can solve this trouble. It can change the encoding of MP3 ID3 TAG information. Make songs looks like the same as they were on PC.
Now, the current version is 2.3. Only $6.99 to get it.
Store link: https://itunes.apple.com/us/app/id3mod2/id409669828?mt=12