onlinexmltools logo
build

Xml validator

World's simplest xml tool

Free online XML validator. Just load your XML and it will automatically get validated. There are no ads, popups or nonsense, just an awesome XML validator. Load XML, validate XML. Created by developers for developers.
settings
fullscreen fullscreen_exit
swap_horiz
star
Import from file
Save as...
Copy to clipboard
Can't convert.
An error has occured.
Export to Pastebin
Save as...
Copy to clipboard
help
Xml validator tool What is a xml validator?
This tool validates Extensible Markup Language (XML) documents. If there are errors, this tool will report them. It's way too easy to forget a closing tag or an angle bracket somewhere.
books
Xml validator examples Click to use
Valid XML Example
This example has a valid XML file and it succeeds.
<root> <employee>arnold</employee> <employee>adam</employee> </root>No errors. Success!
Invalid XML Example
This example has an XML error, a missing an angel bracket and it fails.
<not><all><xml><is><valid</is></xml></all></not>Missing closing angel bracket in <valid> tag. Failure!
info
Pro tips Master online xml tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinexmltools.com/validate-xml?input=%3Croot%3E%0A%20%3Cemployee%3Earnold%3C%2Femployee%3E%0A%20%3Cemployee%3Eadam%3C%2Femployee%3E%0A%3C%2Froot%3E
dashboard
All xml tools
Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
Quickly beautify an XML data structure.
Quickly compress an XML data structure.
Quickly check XML for errors and report them.
Quickly convert an XML document to a JSON document.
Quickly convert a JSON document to an XML document.
Quickly convert an XML document to a CSV document.
Quickly convert a CSV document to an XML document.
Quickly convert an XML data structure to YAML markup.
Quickly convert a YAML document to XML data.
Quickly convert an XML document to a TSV file.
Quickly convert a TSV document to an XML file.
Quickly convert an XML data structure to Base64 encoding.
Quickly decode a Base64-encoded XML data structure.
Quickly convert an XML file to a plain text document.
airport_shuttle
Coming soon These xml tools are on the way
Syntax Highlight XML
Preview an XML data structure in your browser.
XML Editor
Edit XML documents in your browser.
Display XML Statistics
Display detailed information about an XML data structure.
Compare Two XML Files
Diff XML documents and show file differences visually.