Paste XML on the left and right to compare element trees. Attribute order and insignificant whitespace are ignored; child order matters. Comments and declarations are skipped. Differences are listed as added, removed, or changed paths. Comparison works on your device.

How to use this tool

1. Paste source text, code, or data into the XML Compare input panel. 2. Choose transform or validation options shown for XML Compare. 3. Run XML Compare 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 Compare, 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 on the left and right. Both sides are parsed into element trees, then compared structurally. Attribute order and insignificant whitespace are ignored; child element order matters. Comments and declarations are skipped. Differences are listed as added, removed, or changed paths. Comparison 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

Does attribute order matter?

No. Attributes are compared by name. Insignificant whitespace between tags is also ignored. Child element order matters.

Are comments compared?

No. Comments, declarations, and DOCTYPE nodes are skipped so you can focus on element structure, attributes, and text.

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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