However, manual methods can be tough, which is why you can use the best junk file cleaner software. Yes absolutely, deleting junk files is safe and is the best practice as it helps in increasing the free space in the disk. Doing away with junk files ensures that the space on the hard drive is not wasted by unwanted resources, and also the system is not wasting resources to update redundant apps. The result of this is a sluggish system with various other issues like frequent system crash downs and even start-up failure.Īs temp files are like a by-product of the operational activities of a system, therefore getting rid of such garbage files is a necessity. Therefore, the more the number of files on the hard drive, the longer the hard drive takes to access those files.