HTML Minifier – Free Online Tool to Compress & Optimize HTML Code
HTML Minifier is a free online tool that instantly compresses and optimizes your HTML code. It removes unnecessary whitespace, comments, and redundant attributes while preserving the essential structure of your page. This tool also supports inline CSS and JavaScript minification, ensuring your web pages load faster and perform better. Whether you upload files or paste code directly, our smart HTML Minifier provides real-time size comparison, syntax-highlighted previews, and flexible download options — helping developers and webmasters reduce page size, boost SEO, and improve performance effortlessly.
Upload Your HTML File
Drag & drop your .html file here or click to browse
Supported formats: HTML, HTM
Paste HTML Code
Paste your complete HTML document or fragment
Frequently Asked Questions about HTML Minifier
Find answers to the most common questions about how our online HTML Minifier works and how it helps optimize your website.
An HTML Minifier is a tool that removes unnecessary elements from your HTML code — such as whitespace, comments, and redundant attributes — to make your web pages smaller, faster, and more efficient.
By reducing code size and eliminating extra spaces or comments, the HTML Minifier helps your web pages load faster. Smaller file sizes mean reduced bandwidth usage and improved SEO performance.
Yes. Our HTML Minifier detects and compresses inline CSS within <style> tags and JavaScript within <script> tags using efficient CSS and JS minification engines for maximum performance.
No. You can enable “Preserve Special Tags” mode to protect the contents of <pre>, <code>, and <textarea> elements from being altered during the minification process.
You can view minified code in real-time, download it as .min.html or .min.txt, copy it directly to your clipboard, or export multiple files as a ZIP archive — all in one click.
Absolutely. All processing happens securely with temporary file management, CSRF-protected requests, and automatic cleanup. No data is stored after processing.
Yes. The tool is fully responsive and works seamlessly across all modern browsers and mobile devices, allowing you to minify HTML code anytime, anywhere.
Minification actually improves SEO indirectly. Faster load times lead to better user experience and higher rankings on search engines — without altering your HTML structure or metadata.