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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>.

Resumo da ferramenta

Esta ferramenta aceita entrada estruturada e devolve saída determinística no navegador, sem upload para o servidor.

Nome da ferramenta
HTML Minifier
Intenção da entrada
Forneça conteúdo de origem para transformar, validar ou analisar.
Intenção da saída
Receba uma saída normalizada pronta para copiar, reusar ou depurar.
Entrada de exemplo
<!DOCTYPE html> <html> <!-- a comment --> <body> <p> hello </p> </body> </html>
Saída de exemplo
<!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.

Introdução à ferramenta

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>.

Visão geral da ferramenta

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.

Casos de 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.

Exemplos de entrada/saída

Intenção da entrada
<!DOCTYPE html>
<html>
  <!-- a comment -->
  <body>
    <p>  hello  </p>
  </body>
</html>
Intenção da saída
<!DOCTYPE html><html><body><p> hello </p></body></html>

Perguntas frequentes

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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