XML Formatter & Validator
Beautify and validate XML documents online. Instant syntax checking and pretty printing.
How to Use XML Formatter & Validator
Use this page when you need an XML formatter online that also validates structure before you keep debugging. It is aimed at developers cleaning unreadable XML payloads, feeds, config files, and machine-generated exports directly in the browser.
- 1Paste or type your input in the left panel.
- 2Click Process or use the keyboard shortcut ⌘↵.
- 3View the result in the output panel. Use Copy to copy to clipboard or Download to save as a file.
Best use cases
- •Format pasted XML from APIs, sitemaps, feeds, and configuration files so the structure becomes readable again.
- •Validate XML before shipping a sitemap, feed export, or integration payload to another system.
- •Switch between pretty-printed and minified XML while keeping the entire workflow local and private.
This tool processes data locally in your browser. Nothing is sent to external servers.
Examples
<catalog><book id="bk101"><author>Rafi</author><title>Debugging XML</title><genre>Tech</genre></book></catalog>Why this page matches XML formatter searches
- •The page targets both XML formatter and XML formatter online intent with validation and formatting on the same screen.
- •It is especially useful for pasted feeds, sitemaps, and compact machine-generated XML that is hard to inspect line by line.
- •Because formatting runs fully in the browser, sensitive XML never leaves your device while you debug it.
Frequently Asked Questions
What is XML formatting?
XML formatting adds proper indentation and line breaks to make XML human-readable.
Can I use this as an XML formatter online?
Yes. You can paste XML into the tool and format or validate it online instantly without uploading files to a server.
Does it validate XML?
Yes, the tool checks for well-formedness and highlights syntax errors.
Can I minify XML?
Yes, you can also compact XML by removing whitespace.
Is my data safe?
All processing happens in your browser. Nothing is sent to a server.
Does it support large files?
Yes, the formatter handles large XML documents efficiently.
Related Tools
Related Guides
How to Validate XML Sitemaps and Feeds Before Shipping
XML errors are cheaper to catch before publication. This post covers the review and validation habits that keep sitemaps and feeds trustworthy.
When XML Still Makes Sense in Modern Systems
XML is older, not extinct. This post explains where it still earns its place and how modern teams can work with it more deliberately.
How to Fix Unreadable XML with an XML Formatter
When XML arrives as one dense block, every investigation starts with friction. Formatting is the move that gives you the map back.