XML Formatter
Format and beautify XML documents online. Free browser-based XML pretty-printer.
How to use XML Formatter
- 1Paste XML in the input.
- 2Click Format.
- 3Copy the indented output.
Frequently asked questions
Does it validate XML?
It formats and checks basic well-formedness. It does not run a full DTD/XSD validation.
Is the XML Formatter really free?
Yes — every tool on ToolFlexPro is 100% free with no signup, no watermarks and no daily limits.
Is my data safe?
Everything runs directly in your browser. Nothing is uploaded to a server, so your data stays private on your device.
Does it work on mobile?
Yes. ToolFlexPro is fully responsive and works on any phone, tablet or desktop.
Do I need to install anything?
No installs. It runs instantly in any modern browser (Chrome, Safari, Firefox, Edge, Brave).