XML Formatter
Format XML code with clear indentation and validate it instantly
The result will appear here…
About XML Formatter
Fastols' XML Formatter takes any messy XML code and outputs it with clean, readable indentation, while checking the tag structure and warning you if there's a structural error.
Useful for reviewing config files, SOAP/API responses, or any XML document before using it in your project. Everything runs inside your browser — no data is uploaded to any server.
How to use XML Formatter
- 1Paste your XML code into the box
- 2The formatted version appears automatically with clear indentation
- 3Click "Copy Result" to copy the formatted code
Frequently Asked Questions
Does the tool validate XML structure?
Yes, if a tag isn't closed properly or there's a structural error, a message will explain the problem.
Is the tool completely free?
Yes, 100% free with no usage limit.
Is my data stored on any server?
No, formatting happens entirely inside your browser — nothing is sent to any server.