Santekno/tools
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XML Formatter & Validator

Pretty-print and validate XML documents instantly in your browser.

Processed in your browserUpdated · Jan 2026
Input
0 charsindent
Output
0 chars

How to use XML Formatter & Validator

Paste your input on the left, choose the options you want, and the output appears instantly on the right. Everything runs in your browser — none of your data is sent to a server.

  • Paste or type your input in the INPUT panel
  • The output regenerates automatically as you type
  • Use Copy to put the result in your clipboard
  • Click Sample to load a working example

What is XML Formatter & Validator?

Format minified or messy XML documents into readable indented form, and validate well-formedness. Useful for SOAP responses, RSS feeds, configuration files, and Android resources. All processing is client-side — your XML never leaves your browser. This tool is part of santekno's developer toolbox — a curated collection of utilities built for engineers who care about speed, privacy, and simplicity.

Common use cases

  • Debugging API payloads and integration issues
  • Inspecting tokens, hashes, or encoded strings during development
  • Generating fixtures and sample data for tests
  • Sharing readable output with teammates in code reviews

FAQ

Common causes: unclosed tags, mismatched tag names (case-sensitive), unescaped special characters (&, <, >), or missing root element.