Code Tools

Code Beautifier

Code Beautifier — beautify and re-indent messy JavaScript into clean, readable code. It runs locally in your browser with no uploads and no sign-up.

Client-sideRuns entirely in your browser — your data never leaves your device.

Code Beautifier is a free Code Tools utility that runs entirely in your browser — nothing you enter is uploaded.

JavaScript input
Formatted code



  
How to use Code Beautifier

  
    
      
  1. Drop your text into the field at the top of Code Beautifier.
    2. 
      
  2. Adjust the Indent option to match what you need.
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  3. The result is computed live in your browser as you edit the input.
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  4. Use Copy to keep or reuse the result.
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About this tool

  
Code Beautifier runs entirely in your browser. Code Beautifier is a free Code Tools utility that runs in your browser, doing its work on the input you provide without a backend.

  
Because it runs on your device, it is fast and private and works offline once loaded. It behaves the same on desktop and mobile, with nothing stored remotely.

  
Frequently asked questions

  

      
How do I use Code Beautifier?
Code Beautifier lets you format your input right in the browser using the Indent control, with the result shown instantly and nothing uploaded.

      
Does Code Beautifier cost anything?
No — Code Beautifier is completely free, with no sign-up and no hidden limits.

      
Does Code Beautifier upload my data?
No — Code Beautifier processes everything locally in your browser, so nothing you enter is uploaded or stored.

      
Can I use Code Beautifier without a connection?
Yes — after the first load Code Beautifier runs entirely offline.

  

  
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