Lightweight PHP HTML minifier that uses wikimedia/minify for inline JavaScript and CSS minification.
- Removes HTML comments (with configurable patterns to preserve)
- Collapses whitespace between tags
- Minifies inline
<script>blocks via Wikimedia'sJavaScriptMinifier - Minifies inline
<style>blocks via Wikimedia'sCSSMin - Minifies
application/ld+jsonandapplication/jsonscript blocks viajson_encode(throws on invalid JSON) - Preserves content in
<pre>,<code>, and<textarea>tags - Preserves IE conditional comments
- Skips other non-JavaScript script types (e.g.
text/template)
composer require wikizeit/html-minifieruse WikiZEIT\HTMLMinifier;
$minified = HTMLMinifier::minify($html);use WikiZEIT\HTMLMinifier;
$minifier = new HTMLMinifier();
$minifier->preserveComment('/^\s*my-placeholder\s*$/');
$minified = $minifier->run($html);<?php
ob_start();
require_once __DIR__ . '/vendor/autoload.php';
?>
<!DOCTYPE html>
<html>
<!-- ... your HTML ... -->
</html>
<?php
echo \WikiZEIT\HTMLMinifier::minify(ob_get_clean());
?>Copyright (c) 2026 Jakub T. Jankiewicz
Released under the MIT License. See LICENSE for details.