Developer Tools
XML Formatter & Validator
Format, prettify, and validate XML online. Instantly beautify XML with proper indentation. Free online XML formatter.
Input
Result
Formatted XML will appear here.
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CSS Unit Converter
Convert between CSS units: px, rem, em, pt, vw, vh. Set custom base font size and viewport width.
JSON Path Tester
Test JSONPath expressions against JSON data. Supports dot notation, array indexing, and wildcard selectors.
User-Agent Parser
Parse any User-Agent string to identify browser, OS, device type, and rendering engine. Auto-detects your current browser.