HTML Formatter and Minifier
Format HTML into readable indentation or minify markup by removing unnecessary whitespace. Processing takes place locally in your browser.
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What HTML Formatter and Minifier does
Format HTML into readable indentation or minify markup by removing unnecessary whitespace.
Worked example
Input
<main><h1>Hello</h1><p>World</p></main>
Result
Indented HTML with nested elements on readable lines
How it works
The formatter parses markup structure and serializes tags with the chosen indentation. Minification removes whitespace judged insignificant under the tool’s rules.
Developer workflows
- Review minified or generated markup
- Normalize fixtures before comparison
- Create a compact HTML test asset
Security and compatibility checks
- Formatting cannot repair every malformed document.
- Whitespace is significant inside pre, textarea and some inline layouts.
- Minification does not sanitize scripts or unsafe HTML.
Frequently asked questions
Does formatting validate HTML?
No. Use an HTML validator to check conformance and accessibility.
Can minification change text spacing?
It can around inline elements in edge cases, so test the rendered output before deployment.
Processing takes place locally in your browser.