How to use Format XML Online
- Paste the XML you need to format into the input box.
- Use the Indent setting to control the result.
- The result is computed live in your browser as you edit the input.
- Finish by choosing Copy to take the output with you.
About this tool
There is no server behind Format XML Online. Format XML Online validates or reshapes your XML in the browser with no server.
Your document is never uploaded. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is Format XML Online for?
Use Format XML Online to format your input without installing anything using the Indent control; everything happens client-side.
Does Format XML Online cost anything?
No — Format XML Online is completely free, with no sign-up and no hidden limits.
Is my input private in Format XML Online?
Yes — your input never leaves your device; Format XML Online does all the work in your browser.
Does Format XML Online preserve attribute order and namespaces?
Format XML Online works on the XML you paste locally and keeps your markup intact while it formats it.
Does Format XML Online work on mobile?
Yes — Format XML Online is just a web page and runs on any modern browser, including phones and tablets.