Minify HTML, strip comments and whitespace while protecting pre/script/style, with a size-saved readout.
Paste or type your input here, HTML Minifier is loading…
HTML Minifier delivers exactly what its name promises, minify html, strip comments and whitespace while protecting pre/script/style, with a size-saved readout, fast and free. Because it belongs to ToolsMonk's developer tools collection, the whole workflow happens on a single page instead of being spread across separate apps or websites.
People reach for it most often when they need minifying html before deploying to production for faster loads, reducing the transfer size of templates and email html, and cleaning up generated html to its smallest form. With nothing to install, an unexpected one-off job takes no longer to start than your regular routine.
If you have been searching for html minifier, minify html, and compress html, this page covers those jobs with a clean interface, instant output, and no paywall in the way.
| Price | Free, no signup, no paywall, no watermark |
|---|---|
| Works on | Any modern browser: desktop, tablet, and mobile |
| Processing | In your browser, files never leave your device |
| Account required | None |
| Category | Developer Tools |
Paste your HTML
Click Process
Whitespace, comments, and redundant characters are stripped
Copy the minified HTML and see the size saved
Strips unnecessary whitespace, comments, and line breaks from HTML
Reduces file size for faster page loads
Shows the size reduction achieved
Preserves the rendered output while shrinking the source
Runs in your browser, your code is never uploaded
Free, with no signup and no rate limit
Minifying HTML before deploying to production for faster loads
Reducing the transfer size of templates and email HTML
Cleaning up generated HTML to its smallest form
Shaving bytes off pages to improve performance
HTML Minifier is a free online tool on ToolsMonk with a single focus: minify html, strip comments and whitespace while protecting pre/script/style, with a size-saved readout. Whether you're a professional, student, or casual user, it provides instant, accurate results right in your browser without requiring any software installation or account creation.
All processing runs locally in your browser, so your files and data never leave your device. The interface adapts to any modern browser and screen size, so the Developer Tools workflow you rely on at a desk is the same one you get on a tablet or phone.
HTML Minifier strips the characters that bloat HTML without affecting how it renders, extra whitespace, line breaks, and comments, producing a smaller file that loads and transfers faster.
It's safe because the removed characters don't change rendering: a browser parses minified HTML identically to formatted HTML, so the page looks exactly the same while weighing less. The tool reports the size saved so you can see the gain, which is largest on heavily-indented or comment-rich source.
There are a few places where whitespace does matter, inside <pre> and <textarea>, and between inline elements that rely on a space, and these are the spots to sanity-check after minifying if a layout looks slightly off. Otherwise the transformation is transparent.
Minification runs in your browser, so your code stays private. Keep an unminified copy for editing, automate it in your build for production sites, and use this tool for one-offs, email HTML, and quick checks. Pair it with the CSS Minifier and other ToolsMonk developer tools.
Keep an unminified source copy, minified HTML is hard to edit by hand
Verify the rendered page after minifying if your layout relies on inline-element spacing or <pre> blocks
For production sites, automate minification in your build; use this for one-offs and email HTML
Common questions about this tool, its workflow, and what to expect before you use it.
No ratings yet. Be the first to say how HTML Minifier worked for you.
Reviews appear here once our team has read them, so everything you see is from someone who signed in and used the tool.
Get notified about new tools, features, and tips. No spam, unsubscribe anytime.
Minify CSS, remove comments and whitespace safely (strings and data URIs preserved) with a size-saved readout.
Try itConvert JSON to YAML and YAML back to JSON, bidirectional, no server round-trip.
Try itConvert CSV data into a JSON array of objects, with smart number and boolean detection.
Try itConvert a JSON array of objects into clean, spreadsheet-ready CSV.
Try itConvert Markdown text to HTML.
Try itConvert your Markdown (.md) files to high-quality PDFs instantly. Fast, free, secure, and works directly in your browser with no installation or signup required.
Try itGenerate UUID v4, time-ordered UUID v7, NIL, ULID and NanoID, cryptographically random, in bulk.
Try itConvert between HEX, RGB, HSL.
Try itWriting a roundup or tutorial? Embed the live HTML Minifier so readers use it right on your page, or drop in a ready-made card that links to it. Free to use, always.
Preview
Minify HTML, strip comments and whitespace while protecting pre/script/style, with a size-saved readout.
Use HTML Minifier free →Live tool (iframe)
Readers use the real, working tool right on your page, with a small credit line underneath.
Embed card (HTML)