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4 languages Adjustable indent Local processing

Code Formatter

Format JavaScript, CSS, HTML and SQL locally in your browser with adjustable indentation. Your code is never uploaded.

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Privacy Protection: All processing happens locally in your browser. Your data is never uploaded to any server, ensuring your privacy and data security.
📥 Input Code
Select a language and click Format.
📤 Output

How to format code

  1. Paste your code into the editor — JavaScript, CSS, HTML and SQL are supported.
  2. Pick your indentation style: spaces or tabs and how many levels deep.
  3. Run the formatter and review the re-indented, consistently structured output.
  4. Copy the result back to your editor or download it as a file.

Frequently Asked Questions

Which languages are supported?

Local formatting for JavaScript, CSS, HTML, and SQL, with indentation of 2/4 spaces or tabs.

Does formatting change the code logic?

No. Formatting only adjusts indentation, line breaks, and spacing — it never changes semantics.

Can I copy or download the result?

Yes. Copy in one click, or download the file with the appropriate extension for the language.

Is code sent to a server?

No. Formatting happens entirely in your browser.

Will formatting change what my code does?

No. Formatting only adjusts whitespace and line breaks, which most languages ignore. The logic stays exactly as you wrote it.

Is my code uploaded to a server?

No. Parsing and formatting run entirely in your browser, so proprietary or client code stays on your machine.