Code Tools

Prettier Code Formatter

Prettier Code Formatter — a Prettier-style code formatter that beautifies JavaScript. 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.

Prettier™ is an open-source project maintained by its contributors. This independent browser tool is not affiliated with or endorsed by the Prettier project, and trademarks belong to their respective owners.

JavaScript input
Formatted code



  
How to use Prettier Code Formatter

  
    
      
  1. Enter or paste your text into the input field to begin.
    2. 
      
  2. Tune the Indent control before you format.
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  3. Watch the output update instantly while you adjust the text.
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  4. Finish by choosing Copy to take the output with you.
    5. 
  

  
About this tool

  
There is no server behind Prettier Code Formatter. Prettier Code Formatter 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. Your input never leaves the page, and no account or install is required.

  
Frequently asked questions

  

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

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

      
Where is my data processed by Prettier Code Formatter?
Entirely in your browser — Prettier Code Formatter keeps your data on your own machine and sends nothing anywhere.

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

  

  
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