Paste XML to format it with 2-space, 4-space, or tab indentation, or minify it into a compact document. The tool checks that tags are well-formed and balanced, and reports line and column for common errors. All processing runs on your device.

How to use this tool

1. Paste source text, code, or data into the XML Formatter input panel. 2. Choose transform or validation options shown for XML Formatter. 3. Run XML Formatter or read automatic output. 4. Review errors or diff output carefully. 5. Copy the transformed result. Processing runs on your device; inputs are not uploaded to our server.

Worked example

Example: paste a small sample input into XML Formatter, run the transform or validation, and compare the output with the before text—fix any syntax errors reported before copying.

How it works

Paste XML to format it with readable indentation or minify it into a compact document. The tool checks that tags are well-formed and balanced, and reports line and column for common errors. Formatting works on your device.

Limitations

Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.

Privacy and file handling

Your data stays on your device and is not uploaded.

FAQ

Frequently asked questions

What can I do with this tool?

You can format XML with readable indentation or minify it into a compact document. Indentation can use 2 spaces, 4 spaces, or tabs.

What happens if my XML is invalid?

The tool checks that tags are well-formed and balanced. Common errors such as mismatched or unclosed tags include line and column when available.

Is my XML stored?

No. Your information stays on your device and is not saved.

Page last reviewed: March 1, 2026

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