The Best Free PC Optimizer 2021

Best Free PC Optimizer

PC Optimizer can speed up your system in just one click, not the same with default Windows maintenance tools that is time consuming. We tested the ones that are popular and that has no hidden bloatware, adware or annoying ads.

These free PC optimizers also offers premium access for more robust features like performing more advanced task, and secure file handling, file deletion, scan scheduling and even monitoring for real time optimization of your systems.

One of the best PC Optimizer

1. Piriform CCleaner


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CCleaner has been the most popular PC optimizer that has been around for quite a while. Main function of the application is cleaning non-important files, clean the registry and it can even manage apps like uninstalling or clearing cache files. You can also choose to select the browser and windows explorer to clear its’ cache, cookies, download history, temporary files that are taking up more space on your PC or phone.

• Cross Platform (Desktop and Mobile Application)
• Easy to use
• Frees up disk space

• Duplicates many Windows tools

2. Iolo System Mechanic

Iolo System Mechanic

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It is designed to fix and speed up your pc. It will speed up your processor by making sure that it is running as efficiently as possible. Iolo System Mechanic also configures your system based on how you browse the internet. This cleaner can even repair issues of your system that is causing it to slow down and will clean out clutter on reducing unnecessary files in your hard drive.

• One-click Operation
• Choice of scan types
• Clear detailed analysis

• Some features premium-only

3. IObit Advanced SystemCare Free

IObit Advanced SystemCare Free

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IObit Advanced SystemCare can optimize your machine with startup optimization, registry cleaning, junk file cleaning, internet boosting and many more. The free version covers basic cleaning only. It is designed for easy use for the newbies.

During the installation process, you may be asked to add some unwanted applications but it can easily be avoided by choosing custom installation.

• One-click and scheduled cleanup
• Customizable interface

• Can’t excluded individual files
• Extra software in the installer

4. Ashampoo WinOptimizer

Ashampoo WinOptimizer

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It’s main factor of popularity is its flexibility. It can scan for junk files, fix broken registry entries and clear browser cookie with a click. It also has an internet tuner.

• Comprehensive toolkit
• Descriptive interface
• Quick thorough scans

• Adds unwanted links in desktop

5. Razer Cortex

Razer Cortex

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Razer Cortex pc optimizer focuses more on games since their creator is a gaming company Razer Inc. Cortex suspends unwanted system processes, clear out memory and it even have HDD defragmenter to get the best game performance possible. It is available only in Windows platform only.

• Frequent updates
• Frees Ram for games
• Provides FPS status while gaming

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