XML formatter & validator

Check XML and make nesting easier to read. Free, simple, and right here in your browser.

Preparing your tool…
A little possibility, waiting.Your result will appear here.
A useful little guide

How to use xml formatter & validator

Validate an XML document with the browser parser and format its element hierarchy. Copy the formatted result for inspecting structured data.

  1. Enter a sample value, color, URL or structured input.
  2. Choose the required format or options and run the tool.
  3. Review the output and copy it into your own workflow.
A real use case

Try this next

Format a compact XML configuration file so nested elements are easier to review.

A detail to keep in mind

DOCTYPE declarations are rejected. Mixed-content text is kept together to avoid changing significant text spacing.

Questions, answered.

Is xml formatter & validator free to use?

Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.

What should I check before using the result?

DOCTYPE declarations are rejected. Mixed-content text is kept together to avoid changing significant text spacing.

Does this tool upload my files or text?

The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.

A little more in your toolkit

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