Optimize Your Windows with System Ninja

System Ninja is a free utility application designed for Windows that focuses on optimizing system performance. It provides users with tools to clean up unnecessary files, improve startup times, and enhance overall system efficiency. The software includes features such as a file cleaner, a startup manager, and a system information tool, making it an essential addition for users seeking to maintain their PC's health and speed.

With its user-friendly interface, System Ninja allows users to easily navigate through its various functionalities. The file cleaner scans for junk files and temporary data that can be safely removed, while the startup manager helps to control which applications launch at startup, reducing boot time. System Ninja also provides detailed system information, giving users insights into their hardware and software configurations.

 0/4

App specs

  • License

    Free

  • Version

    4.0.1
  • Latest update

  • Platform

    Windows

  • OS

    Windows 8

  • Language

    English

  • Downloads

    23.4K

    Last month's downloads

    • 64
  • Size

    4.07 MB

  • Developer

Program available in other languages



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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Your review for System Ninja
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Is System Ninja safe?

95/100

Score result: Warning

This file has been flagged as potentially harmful or containing unwanted bundled software. Please proceed with caution.

  • Virus free
  • Spyware free
  • Malware free
  • Verified by Security Partners

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Scan Info

Last scan
Friday, September 12, 2025
Scan provider
VirusTotal · Full report

File Integrity

File
System_Ninja_V4.0.1.exe
SHA256
b249d45bbc45e93faa8a6c84a1494fb08b086bbd30c4e52eaa50784f67c22266
SHA1
4d8325c3a615727efbf9cb367aa3e22357c2c614

Softonic security notice

This software has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. However, one or more antivirus engines have flagged this software with potential risks. While these detections may be false positives, we recommend caution when downloading and installing. Some programs may include unwanted software or behaviors that could affect your device. False positives can occur when safe software is mistakenly flagged as harmful due to overly cautious detection rules or algorithms in antivirus tools. This means the program may still be safe to use, but we advise reviewing the details before proceeding.