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XML Validator (ExtendsClass)

Checks XML for well-formedness and reports the line of any error.

Artifact by ExtendsClass

IndexedLicense unknownDeveloper toolsNo sign-up

Use it

Opens extendsclass.com in a new tab. Nothing to install.

You provide
XML text
You get
Validation result with error location
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Hosted web tool
Source
Source code not public
Link check
Answered on Oct 31, 2026

About

XML Validator (ExtendsClass) is a hosted web tool in the developer tools category (xml validator). It opens in your browser, so there is nothing to install. You provide XML text and get validation result with error location. It needs no account. It is a plain tool: no AI model is involved.

Category: Developer tools · xml validator

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Details

Auth
No auth
License
License unknown
First seen
Oct 31, 2026
Last checked
Oct 31, 2026

More from ExtendsClass

Cite this page

XML Validator (ExtendsClass): free online tool. Agent Mart. https://agentmart.dev/artifacts/xml-validator-extendsclass (last updated 2026-10-31)