Developer Tools

HTML Formatter

Clean up minified HTML or compress it for production. Indentation, attribute wrapping and inline content handled.

Advertisementad slot: header

<div>
  <h1>Hello</h1>
  <p>World</p>
</div>

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Frequently Asked Questions

Format, validate and minify JSON with clear error messages.

Decode the header and payload of any JSON Web Token instantly.

Test regular expressions live against any sample text.

Generate v4 (random) UUIDs in bulk.