HTML Formatter & Beautifier
Format and beautify HTML code instantly. Transform minified or messy HTML into clean, properly indented code. Supports nested tags, inline styles, and scripts. Perfect for debugging, code review, or cleaning up web page source code.
Transform messy or minified HTML into clean, readable code with our free HTML Formatter & Beautifier. Instantly format HTML with proper indentation, or minify it for production. Features syntax highlighting, customizable indent size, and real-time preview. Perfect for web developers, designers, and anyone working with HTML code. 100% client-side processing means your code never leaves your browser.
Please enter HTML code
100% Client-Side Processing
All HTML formatting happens directly in your browser. Your code is never sent to any server, stored, or logged. This tool works completely offline after the page loads.
How to Use the HTML Formatter
- Paste your HTML into the input textarea. You can paste minified, unformatted, or messy HTML code.
- Choose your mode: "Beautify" adds proper indentation and line breaks, while "Minify" removes all unnecessary whitespace.
- Select indent size (2 or 4 spaces) if using Beautify mode.
- View the result with syntax highlighting in the output panel.
- Copy the output using the Copy button to use in your project.
Features
Beautify HTML
Add proper indentation and line breaks for readability
Minify HTML
Remove whitespace and comments for smaller file size
Syntax Highlighting
Color-coded tags, attributes, and values
Customizable Indent
Choose between 2 or 4 spaces for indentation
One-Click Copy
Copy formatted HTML to clipboard instantly
Privacy First
100% client-side, no server processing
Related Tools
Working with JSON data? Try our JSON Formatter & Viewer for validating and prettifying JSON. Need to analyze URLs? Use our URL Parser to break down complex URLs.
Frequently Asked Questions
What is HTML formatting and why is it important?▼
HTML formatting refers to organizing HTML code with proper indentation and line breaks. Well-formatted HTML is easier to read, understand, debug, and maintain. It helps developers quickly identify the structure of a web page and find specific elements. Minified HTML is the opposite—all whitespace is removed to reduce file size for production use.
Is my HTML code safe when using this tool?▼
Yes, completely safe. This HTML formatter runs entirely in your browser using JavaScript. Your code never leaves your computer and is not sent to any server. There's no backend processing, no logging, and no data storage. You can verify this by disconnecting from the internet—the tool will continue to work.
When should I use Beautify vs Minify?▼
Use Beautify during development for readable, maintainable code that's easy to debug and edit. Use Minify for production to reduce file size and improve page load times. Minified HTML removes comments and unnecessary whitespace, making files smaller but harder to read.
Does this tool validate HTML?▼
This tool focuses on formatting rather than validation. It will format any HTML you provide, even if it contains errors. For comprehensive HTML validation, consider using the W3C Markup Validation Service or your browser's developer tools to check for syntax errors and accessibility issues.
Can I format HTML with embedded CSS and JavaScript?▼
Yes, this tool handles HTML documents with embedded <style> and<script> tags. The content inside these tags is preserved. However, for dedicated CSS and JavaScript formatting, you may want to use specialized formatters for those languages.
Frequently Asked Questions
❓ Is this tool free?
Yes! All our tools are completely free. No registration, no hidden charges, no ads. Just open and use.
🔒 Is my data safe?
Absolutely. All calculations happen in your browser. We don't store, send, or track any of your data. Everything is processed locally on your device.
📱 Can I use this on mobile?
Yes! All our tools are fully responsive and work perfectly on smartphones, tablets, and desktops.
🌐 Do I need internet?
No! Once the page loads, you can use the tool completely offline. All calculations happen in your browser without any server connection.