Eags On!

Eags On! Is a high-featured MP3 tagger which could solve many problems as a portable. It supports :

Extracting the ID3 from the file's nameRenaming a group of files with the same tagsRenaming a file by extracting the ID3 tags & in the order chosenEdit the characters (of the file's name or tags) & convert them to all uppercase, all lowercase & uppercase the first letter of each word.making an M3U playlist wich can be placed anywhere on your system while the songs aren't moved.

¿Don't you think its a powerfull tool?
I do, & i would like to portabilize it. This is the License agreements it expose while installing it:

THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESSED, IMPLIED OR OTHERWISE, INCLUDING AND WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL THE AUTHOR OR HIS COMPANY BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, LOSS OF INFORMATION, OR ANY OTHER LOSS) , WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR INABILITY TO USE THIS SOFTWARE.

This program is freeware, so it can be freely copied.