Advanced HTML Minifier
Effortlessly compress your HTML with our beginner-friendly minifier. Two simple presets, instant results, and 100% client-side processing for maximum privacy and speed.
Input HTML
Custom Minification Settings
Minified Output
Why Use Our HTML Minifier?
Effortless for Beginners
Simple two-pane layout with instant results. Just paste your HTML and watch it compress in real-time with live character and line counters.
Smart Presets
Choose between Safe and Advanced presets. Safe preserves readability while Advanced maximizes compression for up to 70% size reduction.
100% Private
Everything happens in your browser. No uploads, no tracking, no server processing. Your HTML never leaves your device.
Complete HTML Minifier Features
Core Minification
- Remove unnecessary whitespace and line breaks
- Strip HTML comments and conditional comments
- Optimize attribute quotes and spacing
- Remove empty attributes and redundant tags
- Preserve essential whitespace in pre/code tags
- Maintain HTML validity and structure
Advanced Options
- Customizable compression levels
- Preserve specific comments and tags
- Drag and drop file upload support
- Real-time compression preview
- Size reduction statistics
- One-click copy and download options
How to Use the HTML Minifier
Paste or Upload HTML
Simply paste your HTML code into the input area or drag and drop an HTML file for instant processing.
Configure Options
Choose your compression level and select which elements to preserve or remove during minification.
Review Results
See the minified output with size reduction statistics and syntax highlighting for easy comparison.
Copy or Download
Copy the minified code to clipboard or download it as a file for immediate use in your projects.
Deploy Optimized Code
Replace your original HTML with the minified version to enjoy faster loading times and improved performance.
Monitor Performance
Track improvements in page speed, Core Web Vitals, and user experience metrics after deployment.
Benefits of HTML Minification
Improved Page Speed
Smaller file sizes mean faster downloads, reduced bandwidth usage, and improved loading times that enhance user experience and SEO rankings.
Better Core Web Vitals
Optimized HTML contributes to better LCP, FID, and CLS scores, which are crucial for search engine rankings and user satisfaction.
Reduced Server Load
Smaller files require less server processing time and bandwidth, leading to lower hosting costs and improved server performance.
Frequently Asked Questions
What is HTML minification and why is it important?
HTML minification is the process of removing unnecessary characters from HTML code (whitespace, comments, line breaks) to reduce file size. This improves page loading speed, reduces bandwidth usage, and enhances user experience and SEO performance.
Is the HTML minifier safe to use on my website?
Yes, our HTML minifier preserves the functionality and structure of your HTML while only removing unnecessary characters. It maintains HTML validity and doesn't break any functionality or styling.
How much file size reduction can I expect?
File size reduction typically ranges from 20% to 70% depending on your HTML structure. Pages with lots of comments, whitespace, and formatting will see the greatest benefits.
Will minification affect my website's functionality?
No, our minifier is designed to preserve all functionality while only removing unnecessary characters. It maintains HTML validity and keeps essential whitespace in pre/code tags.
Can I minify HTML with embedded CSS and JavaScript?
Yes, our minifier handles HTML with embedded CSS and JavaScript. However, for optimal results, consider minifying CSS and JavaScript separately using dedicated tools.
Is the HTML minifier free to use?
Yes, our advanced HTML minifier is completely free to use with no hidden fees, registration requirements, or usage limits. Minify unlimited HTML files for all your projects.
Technical Specifications & Best Practices
What Gets Minified
- Unnecessary whitespace and line breaks
- HTML comments (except conditional comments)
- Redundant attribute quotes
- Empty attributes and redundant tags
- Unnecessary spaces between attributes
What Gets Preserved
- Essential whitespace in pre/code tags
- HTML structure and functionality
- Conditional comments for IE
- Required spaces between elements
- HTML validity and semantic structure
Best Practice Tip
Always keep a backup of your original HTML files before minification. While our tool is safe, it's good practice to test minified files in a staging environment before deploying to production.