📄 HTML Tools

HTML validators and minifiers.

🛠️ Select Tool

📝 Input HTML

Indent:

📤 Output

📄

Output will appear here

📚 HTML Tools Reference

✨Format / Beautify

Indent and beautify HTML

🗜️Minify

Remove whitespace and compress

🔒Encode Entities

Convert characters to HTML entities

🔓Decode Entities

Convert HTML entities back to characters

🧹Strip Tags

Remove all HTML tags, keep text

✅Validate

Check for common HTML issues

All processing happens locally in your browser — your HTML is never sent to any server.

💡 Tips & Best Practices

🧹

Minify Before Deploying

Minified HTML reduces page weight and improves load times. Always minify production HTML after final review.

✅

Validate Early & Often

Run validation while coding to catch unclosed tags and deprecated elements before they reach production.

🔒

Encode User Input

Always encode HTML entities when displaying user-generated content to prevent XSS attacks and rendering issues.

❓ Frequently Asked Questions

What does the HTML Formatter / Beautifier do?

The formatter takes compressed or poorly indented HTML and re-indents it with consistent spacing, making it much easier to read and debug. You can choose between 2-space or 4-space indentation.

How much can HTML minification reduce file size?

Minification typically reduces HTML file size by 10–30% by removing unnecessary whitespace, comments and line breaks. The exact savings depend on how much formatting the original file contains.

What are HTML entities and when should I use them?

HTML entities are special codes like < for < and & for &. Use them when displaying special characters in HTML content, or to safely render user-supplied text without risking broken markup or cross-site scripting.

Does the validator catch all HTML errors?

The validator checks for the most common issues — unclosed tags, deprecated elements, missing alt attributes and inline styles. For comprehensive W3C-level validation you may want to supplement it with the official W3C Markup Validation Service.

Is my HTML data sent to a server?

No. All formatting, minification, encoding, decoding, tag stripping and validation happen entirely in your browser using JavaScript. Your HTML never leaves your device.

ℹ️ About HTML Tools

HTML Tools is a free, all-in-one online HTML toolkit for web developers, designers and content creators. Whether you need to beautify messy markup, compress HTML for production, encode special characters for safe embedding, decode entities back to readable text, strip tags to extract plain content, or validate your code for common errors — everything runs instantly in your browser.

Built with privacy in mind, this tool processes everything client-side. No data is uploaded, no accounts are required, and it works completely offline once loaded. Perfect for quick HTML clean-up during development or before publishing content to the web.