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Compress HTML by removing all unnecessary whitespace and comments. Reduce HTML file size instantly. All minification runs locally in your browser.
HTML minification removes whitespace, newlines, and HTML comments that are not needed for the page to render correctly. The result is a smaller HTML file that is faster to download, faster to parse, and cheaper to serve from a CDN. For high-traffic websites, even small reductions in HTML size can have a meaningful impact on page load time and bandwidth costs.
JSON Viewer Pro's HTML minifier strips comments, collapses multiple whitespace characters to single spaces, and removes whitespace between tags. The resulting HTML renders identically to the original in all modern browsers. The minifier handles HTML5 documents, email templates, and HTML fragments.
All minification runs locally in your browser. Paste your HTML or upload a file, click Format to format it first if needed, and then use Minify to compress it. The output is available to copy or download immediately.
No. HTML minification only removes insignificant whitespace and comments. The rendered output is identical to the original.
Typically 10–30% for typical pages. Pages with a lot of indentation and comments can compress more.
Yes. Minified HTML is fully valid HTML5 that any browser will parse and render correctly.
JSON Viewer Pro — all processing runs locally in your browser. Your data is never sent to any server. Free to use, no account required.Privacy Policy·Contact