HTML / CSS / JavaScript Minifier
Minify your code instantly to reduce file size and improve performance
About HTML / CSS / JavaScript Minifier
The HTML / CSS / JavaScript Minifier is a free online tool designed to help you reduce the size of your code by removing unnecessary spaces, comments, and line breaks. Minifying your code improves website loading speed, performance, and overall SEO, making it an essential tool for modern web development.
This tool works entirely in your browser, so your code is never uploaded to any server. It is fast, secure, and ideal for developers, website owners, bloggers, and students who want optimized, production-ready code without using complex software or paid services.
Key Features
- ✔ Minify HTML, CSS, and JavaScript code safely
- ✔ Separate tabs for HTML, CSS, and JS minification
- ✔ Removes comments and extra whitespace
- ✔ Helps improve website performance and page speed
- ✔ Copy minified code with one click
- ✔ 100% browser-based and privacy-safe
- ✔ No login, no API, no data storage
Common Use Cases
- ✔ Optimize code before website deployment
- ✔ Reduce file size for faster page loading
- ✔ Improve Core Web Vitals and SEO scores
- ✔ Prepare clean production-ready code
How to Use
- Select the HTML, CSS, or JavaScript tab.
- Paste your code into the input box.
- Click the Minify button.
- Copy and use the optimized code instantly.
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Frequently Asked Questions
Is this HTML / CSS / JS Minifier free?
Yes, this tool is completely free and works directly in your browser.
Does this tool upload my code to a server?
No. All minification happens locally in your browser for full privacy.
Will minifying break my code?
No. The tool safely removes unnecessary spaces and comments without changing functionality.
Can I minify large code files?
Yes, large code blocks are supported depending on your device performance.