Processed locally in your browser.Normal formatting and conversion do not send source text to the server.
Input XML
Output XML
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XML Validator
What is XML Validator?
XML Validator is a focused developer workspace that helps you validate XML syntax with line-aware parser diagnostics and XXE-safe processing. It uses established parsers and compilers instead of brittle regular-expression transformations. Normal input remains in the browser, and the page shares RankSmartTools navigation, theme, access controls, search, metadata and download behavior.
Validate XML syntax with line-aware parser diagnostics and XXE-safe processing.
How to use XML Validator
- Paste source text or load a compatible local file.
- Choose the primary action and review any parser diagnostics.
- Inspect, copy or download the generated output.
- Clear sensitive content when finished; browser memory is opt-in.
Features
- Local-first processing and Unicode-safe text handling
- Parser-aware transformations with actionable errors
- Keyboard-friendly responsive editor with dark-mode support
- Copy, download, file-drop and optional input memory
Example input (XML)
<?xml version="1.0"?>
<project active="true"><name>RankSmartTools</name><feature>format</feature><feature>validate</feature></project>Frequently asked questions
No. Formatting and conversion parse text but do not run submitted scripts or commands.
Normal operations run locally in the browser. Remote URL loading is clearly identified as a server operation where available.
Equivalent data structures are preserved where the formats overlap. The output and page notes identify transformations that cannot represent format-specific features exactly.
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