Esta é a melhor ferramenta para isso:
On start up, it reads the whole directory tree once and then presents it in three useful views:
- The directory list, which resembles the tree view of the Windows Explorer but is sorted by file/subtree size,
- The treemap, which shows the whole contents of the directory tree straight away,
- The extension list, which serves as a legend and shows statistics about the file types.
No lado direito, mostra quanto espaço é ocupado pelos tipos de arquivo: