If you want YouTube Center to be in your language and are able to translate it from a language YouTube Center supports to your language, please contact me and I will give you the information needed for you to translate it.
You're always welcome to give me suggestion, critic and compliments.
If you only want the download button, download YouTube Center Download Button.
If you find anything you think can be done better please let me know and I will take it into consideration. If you also find any bugs or have any new ideas please let me know.