HTML Prettifier
Format and beautify HTML code with proper indentation. Make minified HTML readable. Free online HTML prettifier and formatter.
How to Format HTML Code
- 1 Paste your minified or unformatted HTML into the input area
- 2 Select your preferred indent size (2 or 4 spaces)
- 3 Click Format HTML to beautify the code
- 4 Review the properly indented and readable output
- 5 Copy or download the formatted HTML file
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1