Online syntax editor

Edit code with syntax highlighting

Use a browser-based Monaco Editor for common languages. It highlights code only and does not run code.

Loading editor...

How to use

  1. Choose a language and paste code into the editor.
  2. Use syntax highlighting while editing.
  3. Format JSON or SQL, then copy the result.

FAQ

Does this execute code?

No. It is only an editor with syntax highlighting.

What happens if Monaco cannot load?

The page switches to a textarea fallback so editing still works.

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