HTML / CSS / JS Minifier & Beautifier
Paste your code, choose language, then Minify or Beautify. Everything runs locally in your browser.
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Optimize and clean your website code instantly with FreeToolConvert’s Free Online HTML / CSS / JS Minifier & Beautifier. This powerful web tool allows developers to minify HTML, CSS, and JavaScript code to reduce file size and improve website performance, while also providing a beautifier function to make messy code readable and properly formatted. With FreeToolConvert, you can minify or beautify code online for free — no software installation or signup required. Whether you’re optimizing scripts for production or formatting code for debugging, our HTML, CSS, and JS Minifier & Beautifier Tool ensures fast, secure, and reliable results. Streamline your workflow, improve load speed, and keep your code clean with FreeToolConvert, your all-in-one web developer companion.
Fast & Easy HTML / CSS / JS Minifier & Beautifier
Paste your HTML, CSS, or JavaScript code into the toolbox to instantly minify or beautify it. Clean, compress, or format your code effortlessly — perfect for developers, designers, and web optimization tasks.
Minify & Beautify Code With Precision
Our tool lets you remove unnecessary spaces, comments, and line breaks to generate compact, optimized code. Need readable code instead? Beautify your HTML, CSS, or JS with proper indentation and clean formatting. Get consistent, professional-looking output every time..
File Protection Guaranteed
Your code is always protected with advanced TLS encryption. Once processing is complete, all uploaded or pasted data is automatically deleted from our servers within one hour — ensuring total privacy and security.
Format or Minify Code Online — No Software Needed
The tool runs entirely in your browser, without requiring extensions or installation. Whether you’re using Windows, macOS, Linux, or mobile, you can minify or beautify your code instantly with just one click.
Supports All Web Languages
Minify or beautify:
• HTML
• CSS
• JavaScript (JS)
This makes it ideal for web development, debugging, code cleanup, and performance optimization.
Perfect for Developers & Web Designers
Use this tool for:
• Cleaning messy code
• Making code production-ready
• Debugging and formatting large scripts
• Reducing file sizes for faster load times
• Minifying assets for SEO and performance
• Formatting code from third-party tools
Your final code is tidy, organized, and ready to deploy.
Process Everything in the Cloud
All formatting and minification runs securely in the cloud with zero CPU usage on your device. No lag, no heavy processes — just smooth and fast code transformation.
How To Minify or Beautify Code Online
- Paste or upload your HTML, CSS, or JS code.
- Choose Beautify for clean formatting or Minify for compression.
- Copy or download your transformed code.
- Done!
HTML / CSS / JS Minifier & Beautifier FAQs
No — only unnecessary characters are removed. Your code’s logic remains untouched.
Yes — the tool handles large code blocks smoothly.
Absolutely — multi-language code formats cleanly.
Yes. All content is encrypted and deleted automatically after one hour.
Yes — it works in any browser with no installation required.
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Yes! Format or compress unlimited code at no cost.