How to use Online Node.js Compiler
- Paste the text you need to process into the input box.
- Select Run and the result updates immediately, with no upload.
- Use Copy to keep or reuse the result.
About this tool
There is no server behind Online Node.js Compiler. Online Node.js Compiler executes your snippet in an isolated sandbox and prints the console output, all on your device.
The sandbox has no access to this page, your cookies or your storage, so your code cannot affect the site around it. Your code runs in a sandboxed iframe isolated from this page, with no access to your cookies or storage, and nothing you write is uploaded.
Frequently asked questions
What does Online Node.js Compiler do?
Online Node.js Compiler runs entirely on your device: add your input, and it processes it locally in real time.
Does Online Node.js Compiler cost anything?
No — Online Node.js Compiler is completely free, with no sign-up and no hidden limits.
Where is my data processed by Online Node.js Compiler?
Entirely in your browser — Online Node.js Compiler keeps your data on your own machine and sends nothing anywhere.
Is the code in Online Node.js Compiler really sandboxed?
Yes — Online Node.js Compiler runs your code in an iframe with the sandbox attribute and a separate origin, so it cannot read this page, your cookies or your storage.
Does Online Node.js Compiler work offline?
Once the page has loaded, Online Node.js Compiler keeps working with no network connection.