Online code editor (JavaScript, Python, SQL, Lua, HTML)

A code editor in your browser, with highlighting for 22 languages and local execution of JavaScript, HTML/CSS, Python, SQL and Lua. Nothing is uploaded.

How to use it

  1. Add your file or enter your values.
  2. Adjust the options if needed.
  3. Run it: the result appears at once and stays on your device.

FAQ

What is Online code editor (JavaScript, Python, SQL, Lua, HTML) for?

A code editor in your browser, with highlighting for 22 languages and local execution of JavaScript, HTML/CSS, Python, SQL and Lua. Nothing is uploaded.

How do I use Online code editor (JavaScript, Python, SQL, Lua, HTML)?

1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.

Is my data sent anywhere?

No, the calculation runs entirely in your browser.

Is Online code editor (JavaScript, Python, SQL, Lua, HTML) free and unlimited?

Yes, no signup, no usage limit.

Which browsers are supported?

All modern browsers, on desktop and mobile.

Does Online code editor (JavaScript, Python, SQL, Lua, HTML) work offline?

After a first visit, most tools keep working without a connection.

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