YAML Tools

YAML Formatter

YAML Formatter — format and re-indent YAML with consistent spacing. It runs entirely in your browser, so nothing is uploaded and it works fully offline.

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

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

YAML input
Formatted YAML



  
How to use YAML Formatter

  
    
      
  1. Type or paste your YAML into YAML Formatter's input area.
    2. 
      
  2. Set Indent so the output fits your use case.
    3. 
      
  3. YAML Formatter updates the output automatically as you type.
    4. 
      
  4. Use Copy to keep or reuse the result.
    5. 
  

  
About this tool

  
Everything YAML Formatter does happens on your own device. YAML Formatter processes YAML in your browser, converting or validating the document you paste locally.

  
Nothing about your file is uploaded. It behaves the same on desktop and mobile, with nothing stored remotely.

  
Frequently asked questions

  

      
What is YAML Formatter for?
YAML Formatter lets you format your input right in the browser using the Indent control, with the result shown instantly and nothing uploaded.

      
Do I need an account for YAML Formatter?
No — YAML Formatter needs no account, sign-up or installation.

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

      
How does YAML Formatter handle YAML indentation errors?
YAML Formatter reports the problem inline so you can fix the indentation, all within your browser.

      
Does YAML Formatter work offline?
Once the page has loaded, YAML Formatter keeps working with no network connection.

  

  
Related yaml tools