HeroTools / Text & Code
Local · Private · Free

XML Formatter & Converter

Beautify, minify and validate XML, then convert XML ↔ JSON — parsed on your device, with exact error line & column.

Load file — drop or click

🔒 Files never leave your browser. Nothing is uploaded.

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      XML → JSON maps attributes to "@name" keys, element text to
      "#text", and repeated siblings to arrays. JSON → XML reads JSON from the
      input pane and wraps it in the root element name above (a single-key object becomes the root itself).
    

  






About XML Formatter
XML Formatter is a free, private text & code tool that runs entirely in your web browser. Beautify, minify & validate XML, and convert XML ↔ JSON — in your browser. Because everything happens locally on your device, your files and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for xml formatter, format xml, xml to json, validate xml. Like every HeroTool by Digital Heroes, XML Formatter is 100% free with no limits.
How to use XML Formatter
  1. Open XML Formatter — it runs entirely in your browser, with no signup.
  2. Paste or type your text or code into the editor.
  3. Adjust the options to match exactly what you need.
  4. Copy or download your result — it is free, and your data stays on your device.
Frequently asked questions
Is XML Formatter free?
Yes — XML Formatter is completely free for everyone. No sign-up, no account and no usage limits.
Is it private? Are my files uploaded anywhere?
No. XML Formatter runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.
Does it work offline?
Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.
Do I need to install anything or create an account?
No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.
What does XML Formatter do?
Beautify, minify & validate XML, and convert XML ↔ JSON — in your browser.
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