I collected some freewares for you that will help you in analyzing the performance, space of your hard disk. All the tools are free to download and will give you a proper information about your drives. Some of them performs the same tasks but has got different features in one way or the other.
NTFS offers file based compression but the compression rate isn’t displayed anywhere. NTFSRatio shows the size and the compression rate of this folder and also of its subfolders.
It is a small software that shows you which of your files and folders are taking up most of the space in the hard disk. It tells you where precious space has gone to. It can be started from the context menu of a folder or drive and shows you the size of this folder, including its subfolders. Each folder can be expanded in Explorer-like style to see the size of its subfolders.
It is a simple but powerful hard disk analyzer. Using a sophisticated mix of graphs, tables and tree displays, it gives the user a complete overview of the contents of a hard disk, folder, removable or network drive. Click here for more information about this tool.
It is a free utility to permanently delete left-over Windows Temporary Files. It deletes all files, in all User Profiles, with extensions .bak, .~, .tmp. It can easily specify custom, multiple file-types to search and destroy. It can empty temporary Internet Files and the Recycle Bin
Note : This software is presented under the GPL and comes with no support and no warranties whatsoever. Use at your own risk
i.Disk counts the size of subdirectories including all their contents, and then lists their size in descending order. The program is simple, yet useful for tracking down where the space is being used on your hard drives.
It is a disk benchmark software that a) Sequential reads/writes b) Random 4KB/512KB reads/writes c) Text copy d) Change dialog design
Disk Scanner is a tiny freeware utility to check the hard drive for read errors. It makes a read only scan of the disk clusters and shows results as an image with bad clusters marked.
AutoCompress scans files evaluating their compressibility (or current compression ratio), and compresses them (or decompresses them) if they meet certain criteria; namely the date since modification, compression ratio, and file size.
With Disktective you can find out the real size of your directories and distribution of used space inside them. Each directory may contain hundreds of subdirectories each containing many files. Simply run Disktective and let Disktective create a complete report displaying the real sizes of all directories and their containing subdirectories.