HTML Minifier
Compress HTML by removing comments and unnecessary whitespace for faster page delivery.
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What is the HTML Minifier?
HTML is the first resource the browser receives and parses. While typically smaller than CSS and JavaScript, HTML document size directly affects Time to First Byte (TTFB) and First Contentful Paint (FCP). Minification removes HTML comments, collapses whitespace between tags, and strips unnecessary formatting. Combined with server-side compression (gzip/brotli), this can reduce document transfer size by 60-80% compared to the development source.
How to use the HTML Minifier?
- Paste your HTML code into the input editor.
- Click 'Minify' to strip comments, collapse whitespace between tags, and remove unnecessary spaces.
- View size reduction stats showing bytes saved.
- Click 'Copy' to copy the minified HTML.
- The output preserves all tags, attributes, and content structure — only cosmetic characters are removed.
Frequently Asked Questions
What does HTML minification remove?
HTML minification removes comments (), collapses multiple whitespace characters between tags to a single space, and strips unnecessary whitespace around attributes. Tag structure and content are fully preserved.
Does HTML minification affect rendering?
No. Browsers collapse whitespace during rendering, so removing it from the source has no visual effect. The page renders identically with fewer bytes transferred.
How much smaller will my HTML get?
Typical reduction is 10-30% depending on comment density and formatting style. Heavily commented HTML with verbose indentation sees the most improvement.
Is this safe for my HTML templates?
Yes. All processing runs in your browser — nothing is uploaded. Tag structure, attributes, and script/style content are fully preserved.