Icon of program: RunJS

RunJS for Windows

  • Free
  • 4.4
    1
  • 24
  • V3.2.2
Free Download for Windows

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Efficient JavaScript Playground for Coders

RunJS is a dynamic JavaScript playground designed for developers to write and test their code in real-time. The application features an auto-evaluation function that provides immediate feedback by displaying outputs in a dedicated console pane. This functionality allows users to experiment with JavaScript, TypeScript, and Node.js effortlessly, making it an invaluable tool for both beginners and experienced programmers.

Top Recommended Alternative

The interface is user-friendly, enabling quick access to coding features without unnecessary distractions. With its free license, RunJS stands out as a practical utility for coding enthusiasts looking to streamline their development process. Overall, it serves as a robust environment for learning and testing JavaScript code effectively.

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Also available in other platforms

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Icon of program: RunJS

RunJS for PC

  • Free
  • 4.4
    1
  • 24
  • V3.2.2
Free Download for PC

View an ad to download for free


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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.
Softonic

Is RunJS safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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

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Scan Info

Last scan
Wednesday, April 22, 2026
Scan provider
VirusTotal · Full report

File Integrity

File
RunJS_V3.2.2.exe
SHA256
39b6dcedf16436e980da66ae76eb519077b26bf7aff67b2f06ae1aac66907efa
SHA1
71f6c662abeb7f75102bf899da823b5fd2aa1846

Softonic security commitment

RunJS has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center