Free hard drive cleaning software is available to download for free from Download.CNET.com and WiseCleaner.com as of 2015. Informational sites such PCWorld.com and TechSupportTalert.com highlight well-reviewed hard drive and personal computer cleaning software, including free options. Hard drive cleaners typically remove file fragments and old files.
Download.CNET.com lists several free hard drive cleaning software programs available for download as of 2015. The programs perform functions such a removing duplicate files, including music and photos, scanning and removing junk files from the hard drive, finding and removing temporary files and Internet files from the hard drive, and checking for invalid registry entries.