5 of the Best Tools to Delete Temporary Files on Windows


Windows creates and stores temporary and other cache files on your computer to allow programs to run faster. These files eventually accumulate and take up your computer’s valuable space, while also slowing it down and causing performance issues. Therefore, it is crucial to regularly remove unnecessary temporary files to optimize your computer’s performance. Take a look at this shortlist of the top tools designed specifically for this purpose.

Good to know: make sure you’ve deleted all cache files in Windows using these techniques.

1. Disk Cleanup

Price: Free

Disk Cleanup is Windows’s built-in tool for eliminating junk files. It can identify files you no longer need, such as temporary files. Additionally, it cleans out other cache data, such as logs, Recycle Bin files, language resources, and Microsoft Defender files. It is a convenient tool that can quickly clean your computer’s waste and boost its speed. To access the utility, click the Search button in Windows and type “Disk Cleanup.”

Disk Cleanup interface overview in Windows.


  • Simple and extremely easy to use
  • Can also clean up system files


  • Lacks more advanced features

FYI: getting a “Not enough disk space for Windows update” error? We show you how to resolve it.

2. BitRaser File Eraser

Price: $39.99

BitRaser File Eraser is a certified data eraser software that can remove Internet activity traces by permanently wiping out temporary files, cookies, and similar data. It provides the utmost security by ensuring that sensitive data is permanently erased and untraceable. With its array of features, like breach detection, complete application deletion, and more, it prevents unauthorized individuals from accessing your data. The program can generate certified reports of erasure to help meet statutory and regulatory compliance, thus making it a fitting choice for enterprise use.

BitRaser File Eraser interface overview in Windows.


  • Relies on advanced algorithms to permanently erase sensitive data
  • Offers high-speed erasure
  • Includes option to schedule file deletion


  • Does not offer a free trial

3. CCleaner

Price: Free / $24.95

CCleaner is a popular application that’s been around since 2004 and offers a range of PC optimization tools. It helps you scan your system for files that stand to be deleted, such as cookies, old downloads, cache data, and browser history. Its Health Check module analyzes your system and suggests improvements, then automatically disables unwanted apps, updates installed apps, and removes trackers left by advertisers. It also includes a few other options, such as Custom Clean, which selectively removes files, and a Registry feature that fixes all registry issues.

Ccleaner Windows interface overview in Windows.


  • Includes software management options
  • Identifies and retains essential cookies, like login info
  • Supports customizable scanning range that fits your needs


  • Includes bloatware with installation
  • Occasionally interferes with other applications

Tip: if you ever need to clean your Windows Registry, consider these options that can help.

4. Wise Disk Cleaner

Price: Free

Wise Disk Cleaner is a fast and effective tool for scanning and removing unnecessary junk files. It is equipped with advanced algorithms that can detect and clean any leftover traces. The tool offers two scanning modes: Common Cleaner and Advanced Cleaner. Common Cleaner is an automatic scan that quickly removes useless files and Internet traces from your system. Advanced Cleaner lets you customize the cleaning process, allowing you to select or exclude specific folders or erase files with particular extensions.

Wise Data Cleaner interface overview in Windows.


  • Has a scan-scheduling feature
  • Disk defragmentation feature for optimizing hard drive performance
  • Lightweight tool with a low CPU usage


  • Lacks a registry cleaner

5. Temp Cleaner

Price: Free

Temp Cleaner works in a slightly different way by automatically deleting temp files when you run the application. Run the portable application, and the tool deletes unused files in the “%Temp%” and “%SystemRoot%\Temp” folders. Unlike other tools, this software is designed to delete only the unused files from the temporary folder in your drive and not affect files in use.

Temp Cleaner


  • Portable app with no installation needed
  • Extremely lightweight
  • Offers automatic cleanup during system startup


  • Lack of customization features to target specific temp file directories

Good to know: learn how to free up space on your Windows C:\ drive.

Frequently Asked Questions

Can I stop the accumulation of temporary files?

No. But while it is inevitable to have temporary files on Windows, you can take steps to prevent their accumulation. Regularly cleaning your junk files with any of the tools mentioned in this article can help run your system efficiently.

What is the difference between junk, cache, and temporary files?

Temporary and junk files are unnecessary files generated by the software for storing temporary information when a particular task is in action. Caches, conversely, are Internet files created to accelerate your browsing experience that remain in the system even when not in use.

Image credit: Pexels. All screenshots by Joshua Solomon.

Joshua Solomon
Joshua Solomon

Joshua is a product manager turned tech content writer specializing in how-tos and troubleshooting articles. He firmly believes that true value lies in producing engaging and fluff-free content. A writer by day and an avid chess player by night, he prefers not to discuss himself in the third person, but can be convinced to do so occasionally - like now :)

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