Quick code editing
Review snippets without opening a full IDE, especially for JSON, SQL, HTML, CSS, or JavaScript.
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.
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How to use
- Choose a language and paste code into the editor.
- Use syntax highlighting while editing.
- Format JSON or SQL, then copy the result.
Common uses
Readable formatting
Clean up pasted JSON or SQL before sharing it in documentation, tickets, or notes.
Example
Paste a compact SQL query, choose SQL, then format it so SELECT, FROM, and WHERE sections are easier to read.
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.