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🟨 JavaScript Beautifier

Format JavaScript code. Free, fast, private — runs in your browser.

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About JavaScript Beautifier

Use this free javascript beautifier to format javascript code. All processing stays on your device.

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About JavaScript Beautifier

Format JavaScript code Use this free online JavaScript Beautifier on DevTools Hub — fast, private, and no signup required. Processing happens in your browser.

How to use JavaScript Beautifier

  1. Open this page or find JavaScript Beautifier on the homepage.
  2. Enter or paste your input into the tool.
  3. Run the action (format, convert, generate, etc.).
  4. Copy or download the result.

Why use DevTools Hub?

FAQ

Is JavaScript Beautifier free? Yes. You can use it without registration.

Is my data uploaded? Core tools run locally in the browser whenever possible.

Does it work on mobile? Yes. The layout is responsive for phones and tablets.