🔧 Programming
✅ 100% Free
⚡ Instant
HTML Formatter & Beautifier
Beautify and indent HTML markup instantly. Clean up messy or minified HTML with proper nesting, indentation and syntax highlighting.
Input
Output
Ready — paste your input and click Format
Try a sample:
Basic Page
Card Component
HTML Form
Email Template
What is an HTML Formatter?
An HTML formatter takes minified or poorly-structured HTML and re-indents it with consistent spacing, making the tag hierarchy easy to read. It's essential for debugging template output, cleaning up CMS-generated markup, or reviewing code from third-party tools.
HTML Formatting Best Practices
- Use 2-space indentation for HTML — it keeps deeply nested code readable
- One tag per line for block-level elements (div, section, article)
- Keep inline elements (span, a, strong) on the same line as their content
- Always close tags, even optional ones like
<li>and<td>
Frequently Asked Questions
The formatter normalises whitespace between tags. Text content and attribute values are preserved exactly. If you have intentional inline whitespace between elements, the formatter may alter its rendering slightly (though the data is the same).
Yes. HTML email templates often come as a single minified line from tools like Mailchimp or HubSpot. Paste them in and format to review the structure. Note that email HTML often uses old-school table layouts.
This tool formats HTML but does not validate against the HTML specification. For full HTML validation, use the W3C Markup Validation Service at validator.w3.org.
Done!
Enjoying this tool?
Every tool here is free, forever — no signup, no paywall. If this one just saved you real time, a small tip keeps them free and ad-light.
☕ Support This Tool →Need something built, not just formatted?
This toolbox is free. If your business needs custom software, AI integration, or a system built around this kind of tooling, that's what I do for a living.