HDGraph 1.5.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
HDGraph.exe, _5C8A23E52F599D9B9205B2.exe or _9CC4F9ACEC5A6E49A76422.exe are the common file names to indicate the HDGraph installer. ".hdg" is the extension this free PC software can operate with.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular versions among the software users are 1.4, 1.3 and 1.2. The software lies within System Utilities, more precisely HDD Management. This free program was originally developed by Jean-Yves Laugel. You can launch this free PC software on Windows XP/XP Professional/Vista/7/8/10/11 32-bit.
From the developer:
HDGraph shows disk space utilization as a pie chart. Folders with large sizes are only shown on the chart. You can click on individual folders, to view the space usage of its sub-folders and files. You can use these features on any folder accessible on your computer.
You may want to check out more software, such as My BootDisk, DiskExplorer for FAT or easyDnc, which might be related to HDGraph.