Format XML, validate parser errors, and view a readable indented version.
Checker
Paste the source, review the signals, and copy only the fixes you can verify after publishing or sharing.
Add URL, text, logs, metadata, or policy details.
Review score, warnings, mismatches, or limits.
Copy recommendations and verify the live result.
Paste the payload, code, URL, token, or expression to inspect.
Formatted code, generated types, decoded values, or snippets appear here.
Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.
Input, signals, and fixes
Use the result area as the copy-ready handoff for the next step in your work.
Use XML Formatter & Validator when you need to format XML, validate parser errors, and view a readable indented version.
It is designed for quick local checks before you commit code, send a payload, paste into documentation, or hand data to another system.
A: No. It checks XML well-formedness in the browser parser.
A: Yes, paste compact XML and run the formatter.
Format and validate JSON online: prettify large pasted payloads, minify for APIs, and catch syntax errors before deployment.
Convert JSON to Go struct definitions with tags and options.
Convert JSON to TypeScript interfaces or types.
Convert between JSON and YAML formats with preserved structure.
Convert CSV files to JSON and JSON to CSV with custom delimiters.
Format and beautify SQL queries with syntax highlighting.
Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.