Production HTML should be small. This tool gets it there: minify html in your browser, free, stripping comments and collapsing whitespace while leaving the parts that matter untouched. As an html compressor it keeps your markup on your device and ships a tighter page.
Same page, fewer bytes.
Source HTML is full of indentation and line breaks that help you read it and do nothing for the browser. To minify html is to strip that out and leave a tight block that renders the same. People reach it as minify html online, minify html code, html code minify, or simply minify code, and the output is the same compact result you can compress html online or compress html code in one click.
It tightens the spacing around tags and html attributes without changing what they mean, which is why it is safe to run as part of a build. The page looks identical to a visitor, but there is less to download.
Aggressive where it helps, careful where it matters.
The pass does two main things. It strips HTML comments, so it works to remove comments from code online, and it collapses runs of whitespace, which makes it an online space remover. If your real goal is remove spaces from text online for markup, the same step covers it.
It is careful, too. Content inside pre, code, script, style, and textarea is preserved, and an explicit html space code such as a non-breaking space inside your text is left in place, since removing it would change the page. So it is not a blunt minify text tool that flattens everything; it respects the parts of HTML where spacing is meaningful.
One language per tool.
Inline styles and scripts are preserved here rather than minified, because each language has its own rules. For minify css, the CSS Minifier is the right tool, and for javascript minify, the JS Minifier handles it. Run each one for its own language so the output stays valid, then minify the HTML around them.
Where this tool is the wrong fit.
This shrinks markup with safe text rules, so it is not a full html parser online and not a node html parser that builds a document tree, and it is not an html notepad online for editing. Those are different categories of tool.
If what you want is to remove html tags entirely or use an html extractor that returns only the text, the Strip HTML Tags tool does that instead. Minifying keeps your markup; stripping throws the tags away and keeps the words.
Stop reading. Start using.
That is everything worth saying. Open the tool and try it on something real. You will know within a minute whether it belongs in your kit.
If you found this useful, the other Developer guides are written in the same voice. We keep them short, practical, and rooted in real work.
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