Local · Private · Free

XML Formatter & Converter

Beautify, minify, and validate XML, then convert XML to JSON or JSON to XML. Parsed on your device, with exact error line and column. No upload. No signup.

Load file, drop or click

Files never leave your browser. Nothing is uploaded.

Result Waiting for input…

      

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 and code tool that runs entirely in your web browser. Beautify, minify, and validate XML, and convert XML to JSON or JSON to XML, all locally. Because everything happens on your device, your files are never uploaded to a server. No sign-up and no installation are required, and it keeps working offline. Like every free online tool by Digital Heroes, the XML Formatter is 100% free with no limits.

What you can do

How to use XML Formatter

  1. Open XML Formatter. It runs entirely in your browser, with no signup.
  2. Paste or drop your XML or JSON into the input pane, or click Sample to load an example.
  3. Pick an action: Beautify, Minify, Validate, XML to JSON, or JSON to XML.
  4. Adjust indent style, declaration, or attribute options as needed.
  5. Copy or download the result. 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. This tool 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, and validate XML, and convert XML to JSON or JSON to XML, entirely in your browser.