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HTML Minifier

Shrink HTML to its smallest safe form: comments stripped, whitespace collapsed, and blank lines removed — without touching the content of <pre>, <textarea>, <script>, or <style>.

Riepilogo dello strumento

Questo strumento accetta input strutturati e restituisce output deterministici nel browser, senza upload al server.

Nome dello strumento
HTML Minifier
Intento dell'input
Fornisci il contenuto di origine da trasformare, validare o analizzare.
Intento dell'output
Ricevi un output normalizzato adatto a copia, riutilizzo o debug.
Esempio di input
<!DOCTYPE html> <html> <!-- a comment --> <body> <p> hello </p> </body> </html>
Esempio di output
<!DOCTYPE html><html><body><p> hello </p></body></html>
Options
Original250 B
Minified176 B
Saved74 B
Reduction29.6%
Content of <pre>, <textarea>, <script>, and <style> is preserved verbatim.

Introduzione allo strumento

Shrink HTML to its smallest safe form: comments stripped, whitespace collapsed, and blank lines removed — without touching the content of <pre>, <textarea>, <script>, or <style>.

Panoramica dello strumento

A minifier reduces the bytes a browser has to download by removing characters that do not affect rendering. Comments, runs of whitespace, and newlines between tags are all safe to strip in most documents. This tool walks your HTML, sets aside the contents of preserved tags (<pre>, <textarea>, <script>, <style>) so they survive intact, then collapses whitespace in the rest. Toggle each option to match your stack — keep IE conditional comments, preserve line breaks for readable diffs, or drop empty class="" attributes. Everything runs locally in your browser; nothing is uploaded.

Casi d'uso

  • Trim bytes off email templates, transactional HTML, and AMP fragments before sending.
  • Pre-process server-rendered HTML for cache-friendly delivery on edge networks.
  • Strip developer comments and indentation from snippets before pasting into a CMS.

Esempi di input/output

Intento dell'input
<!DOCTYPE html>
<html>
  <!-- a comment -->
  <body>
    <p>  hello  </p>
  </body>
</html>
Intento dell'output
<!DOCTYPE html><html><body><p> hello </p></body></html>

FAQ

Will it break <pre> or <script> contents?+
No. The minifier sets those blocks aside before collapsing whitespace, then restores them verbatim, so indentation, code, and styles stay intact.
Does it remove IE conditional comments?+
No. Comments that start with <!--[if are kept so legacy IE conditional logic continues to work.
Is the output safe to deploy to production?+
For most templates, yes — the rules used are conservative. Always run a smoke test of the rendered page after a major minification change.
Is my HTML uploaded?+
No. Minification runs entirely in your browser; nothing leaves your device.

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