TreeSize Free shows where the disk space has gone to. It can be started from the context menu of a folder or drive and shows you the size of folders, subfolders and files. Displays also the NTFSRatio (NTFS compression rates).

Version: 4.4Every hard disk is too small if you just wait long enough.
License: Free
Operating System: Windows
Homepage: www.jam-software.com
Developed by:
TreeSize Free tells you where precious space has gone to.
TreeSize Free can be started from the context menu of a folder or drive and shows you the size of this folder, including its subfolders.
You can expand this folder in Explorer-like style and you will see the size of every subfolder. All results can also be drilled down to the file level. Scanning is done in a thread, so you can already see results while TreeSize Free is working.
The Explorer context menu is supported within TreeSize, as well as the usual drag & drop operations. The disk space tool now also includes the main feature of our discontinued freeware NTFSRatio: TreeSize Free can display the NTFS compression rate.
Version 4.4: * NEW Dark Mode * NEW languages added * NEW option to allow drag&drop * Several other changes and bugfixes. * https://www.jam-software.com/treesize_free/changes.shtml
Version 4.1.2: * Improved: WebDAV scanning * Improved: Compatibility with Samba 3 * Fixed: language settings * XP support dropped, please use V3.4.5 for WinXP * Few minor improvements and fixes incorporated
Version 4.1.1: * NEW: support of Windows 10 compression * ENHANCED: filtering of results * NEW: preview of folder in tooltip * Tooltip types in options.Long Tooltip as default * Fixed: errors and W7 exceptions * XP support dropped, please use V3.4.5 for WinXP * Few minor improvements and fixes incorporated
Version 4.1: * NEW: support of Windows 10 compression * ENHANCED: filtering of results * NEW: preview of folder in tooltip * IMPROVED: scan performance * FIXED: start via explorer context menu * XP support dropped, please use V3.4.5 for Windows XP * Few minor improvements and fixes incorporated
Version 4.0.3: * IMPROVED: ribbon bar * NEW: hierarchical treemap chart * IMPROVED: touch-optimized user interface * IMPROVED: scan performance of mobile devices * XP support dropped, please use V3.4.5 for Windows XP * Few minor improvements and fixes incorporated
Version 4.0: * NEW: hierarchical treemap chart * NEW: ribbon interface * IMPROVED: touch-optimized user interface * IMPROVED: scan performance of mobile devices * XP support dropped, please use V3.4.5 for Windows XP * Few minor improvements and fixes incorporated
Version 3.4.5: * Comeback: "Rename" in context menu * Display issues resolved * Correction of percentage values * New: Scan your Smartphone or Tablet Computer (iOS, Android, Windows) via PC * New: Support of local folders of OneDrive, Dropbox & Google Drive * Few minor improvements and fixes incorporated
Version 3.4.4: * New feedback function via "Help" * Freezing fixed * Improvement of zoomed view * New: Scan your Smartphone or Tablet Computer (iOS, Android, Windows) via PC * New: Support of local folders of OneDrive, Dropbox & Google Drive * Few minor improvements and fixes incorporated
Version 3.4: *** New: Scan your Smartphone or Tablet Computer (iOS, Android, Windows) via PC ** New: Support of local folders of OneDrive, Dropbox and Google Drive * Improved touch-optimized interface: switch without restart, optional auto-switch & context menu * Few minor improvements and fixes incorporated