XML Compare

Diff two XML documents line by line.

Original XML
Changed XML
Line-by-line diff

Differences appear here.

Free online XML compare tool. Paste two XML documents to see added and removed lines highlighted in a clear side-by-side diff. Runs entirely in your browser — nothing uploaded.

How to use the XML Compare

  1. 01Paste the original XML on the left and the changed XML on the right.
  2. 02A line-by-line diff highlights added and removed lines.
  3. 03Review the summary counts to see what changed.

Frequently asked questions

How does the comparison work?

It runs a line-based diff (longest common subsequence) and marks lines that were added or removed. Formatting both documents first gives the cleanest results.

Is my data uploaded?

No — the comparison runs entirely in your browser.