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“I started up DiskFerret and within seconds it showed that I was carrying approx. 15GB in 2 files, within five minutes my SSD gained extra space... This is one happy customer.“

Terence McBride
DiskFerret is a disk space utilization and monitoring tool that analyzes the files within a hard drive, network share, or folder, and provides charts and detailed information to help you understand where and how disk space is being used.

Disk Space Analysis

DiskFerret provides a variety of interactive charts that allow you to quickly drill down and isolate files based on different criteria such as largest folders and files, oldest files, duplicate files, files by owner, and more. Once you've located the unwanted files that are wasting disk space, DiskFerret provides the tools to delete them, or move them into a zip file. Take a tour of DiskFerret's features.

Continuously Monitor Drives

Drive Monitors continuously check the disk space utilization of local and remote computer drives and notifies you when drive space is low. When free disk space falls below a defined threshold an email or text message is sent to notify you that the disk is running out of space. more...

Scheduled Disk Scans

Scheduled Tasks provide a means to run unattended scans at a scheduled time. Scans can be configured to run Once, Daily, Weekly, or Monthly and can be configured to email a DiskFerret scan file link to one or more individuals when scans are completed. more...

Duplicate File Finder

DiskFerret provides a simple yet powerful tool for finding and deleting disk hogging duplicate files. more...


  • Fast visual feedback of disk usage by size, type, date, attribute, or owner.
  • Quickly identify where disk space is being used.
  • Eliminate unwanted, unused, temporary, backup and obsolete files.
  • View disk space by size, type, attribute, owner.
  • Find duplicate files.
  • Continuously monitor free space
  • Scheduled scans save you time
  • Email notification of low disk space conditions
  • Quickly identify the largest, smallest, oldest or newest files.
  • Identify file owners using the most space.
  • Pre-configured and customizable filters to analyze by file type, name, date, and size. (includes regular expression support)
  • Global exclude filters to eliminate specified folders and files, or files with specified attributes, from scans.
  • Quickly remove space wasting junk files and protect your privacy with the Cleanup Wizard.
  • Print any data view.
  • Reduce cost of data management.

DiskFerret Edition Comparison

 Professional   Personal   Free   Lite 1

Pie Chart

Bar Chart

Ring Chart

Treemap Chart Limited depth.

Size View

File Types View

File Distribution View

Largest Files Limited to 25. Limited to 25.

Smallest Files Limited to 25. Limited to 25.

Oldest Files Limited to 25. Limited to 25.

Newest Files Limited to 25. Limited to 25.

Cleanup Wizard

Instant Local Drive Monitor

Scan Filters

Pre-configured Filters

Concurrent Scan and Search Support

32 and 64 bit Support Browser Dependent

Print Any View


Zip Folders and Files

Multiple Disk and Folder Analysis

Duplicate File Analysis

Analyze Network Drives

Save and Reload Data

File Ownership Analysis

Export to Microsoft Excel Workbook XML

Continuously Monitor Local and Remote Drives

Scan Scheduler

Email Support

Run on a Server

1  DiskFerret Lite is free and runs inside Internet Explorer, Firefox and Chrome. Depending on the browser, memory made available by the browser to the DiskFerret Lite applet may be limited, which can cause scans of large drives to fail.