Formatters & Cleaners

Code Cleaner

Format and tidy JavaScript, JSON, CSS, or HTML with your choice of indentation — all in your browser, nothing uploaded.

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

Code Cleaner is a free Formatters & Cleaners utility that runs entirely in your browser — nothing you enter is uploaded.

Input
Output







  
How to use Code Cleaner

  
    
      
  1. Drop your text into the field at the top of Code Cleaner.
    2. 
      
  2. Tune the Language, Indent controls before you format.
    3. 
      
  3. Select Format and the result updates immediately, with no upload.
    4. 
      
  4. When it looks right, Copy to save it.
    5. 
  

  
About this tool

  
There is no server behind Code Cleaner. Code Cleaner is a free Formatters & Cleaners 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

  

      
What is Code Cleaner for?
Code Cleaner lets you format your input right in the browser using the Language, Indent controls, with the result shown instantly and nothing uploaded.

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

      
Is my input private in Code Cleaner?
Yes — your input never leaves your device; Code Cleaner does all the work in your browser.

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

  

  
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