XML Formatter
Format messy XML with clean indentation, minify it to a single line, or validate that it is well-formed — all in your browser.
Runs entirely in your browser — nothing is uploaded.
About XML Formatter
Format messy XML with clean indentation, minify it to a single line, or validate that it is well-formed — all in your browser.
- Pretty-print XML with consistent indentation and nesting.
- Minify to a compact single line, or validate that the document is well-formed.
- Clear error messages point to the location of any problem.
XML Formatter is part of Upwwards Tools, a free collection of browser-based utilities built by the team at Upwwards. Like the rest of the suite, it's free, requires no sign-up, and keeps your data on your device.
Frequently asked questions
What is XML Formatter?
Format messy XML with clean indentation, minify it to a single line, or validate that it is well-formed — all in your browser.
Is XML Formatter free to use?
Yes — XML Formatter is completely free with no sign-up, account or usage limits. It is part of the free Upwwards Tools collection built by Upwwards.
Is my data private when I use XML Formatter?
XML Formatter runs entirely in your browser. Everything you enter or upload is processed locally on your device and is never sent to a server, stored or logged.
Do I need to install anything to use XML Formatter?
No. XML Formatter works instantly in any modern web browser on desktop or mobile — there is nothing to download or install.