Inspecting a SOAP response
Before
Single-line XML envelope, 22,000 characters
After
Indented XML with nested elements readable at a glance
Found the wrong namespace declaration in under a minute. Saved me an hour of debugging.
All Tools
XML Formatter – Format and Beautify XML Online
I built this because SOAP APIs still return XML in one giant line and I got tired of scrolling horizontally. Paste your XML, hit Format, and get clean indentation. Nothing leaves your browser.
100% free, no signup
Ready
Your files are processed in your browser and never uploaded to any server.
A note from me
I've used this mostly on SOAP responses and sitemap files. My tip: if the formatter throws an error, check for unclosed tags first — it's the most common issue. Also, for sitemaps over 50,000 URLs, the browser might slow down. Split the file first, then format each chunk.
— Mirza Noman Baig
How to use this tool
- 1Paste your XML into the editor.
- 2Click Format XML to add indentation and line breaks.
- 3Check any syntax errors the tool reports.
- 4Copy the cleaned XML with one click.
Real results from testing
These are actual measurements from using this tool, not estimates.
Checking a sitemap
Before
sitemap.xml returned minified from a CDN
After
Clean indentation, easy to scan for missing entries
Confirmed all URLs were present. Re-submitted to Search Console with confidence.
Debugging an RSS feed
Before
Feed broke in a reader, no error message
After
Formatter flagged an unescaped ampersand
One character was breaking the entire feed. Fixed it in 30 seconds.
XML Formatter features
Beautify and pretty print
Turn single-line or compressed XML into clean, indented markup.
Basic syntax checking
Detects unclosed tags, mismatched elements, and malformed attributes.
Works with SOAP, RSS, and sitemaps
Handles the formats developers actually deal with.
All in your browser
Your XML stays on your device. No uploads, no tracking.
Frequently asked questions
Is my XML uploaded to a server?+
No. Everything runs in your browser. Your XML never leaves your device.
Does it validate XML fully?+
It checks basic syntax — unclosed tags, mismatched brackets, malformed attributes. It does not do full XSD schema validation.
Does formatting change my XML data?+
No. Only whitespace and indentation change. All elements and values stay the same.
Can it handle SOAP responses?+
Yes. SOAP envelopes and responses are the main use case. Works on files up to a few MB.
Can I copy the formatted XML?+
Yes. One click copies the entire formatted document.