FastOnlineTools

HTML Formatter

Use the free HTML Formatter from FastOnlineTools. Simple, fast and secure directly in your browser.

Last updated: February 14, 2026

How to use

  • Paste your HTML code into the input field.
  • Click Format.
  • Copy the formatted output.

Features

  • Formats HTML into clean readable blocks with consistent indentation.
  • Helps clean up minified HTML.
  • Client-side processing for privacy and speed.

Typical use cases

  • Optimize code for production
  • Debugging and troubleshooting
  • Convert data formats
  • Check encryption and security

Example

Input (Code)

console.log("Hello World");

Output

Code formatted/converted...

Notes and limitations

  • Processes data locally in browser
  • No storage on servers
  • Performance depends on device

Frequently Asked Questions

Is my HTML secure?

Yes. Processing runs locally in your browser with no external transfer.

Can I indent compressed HTML?

Yes. Minified HTML is transformed into a clear readable structure.

What happens with invalid HTML?

You get an error message and can correct the code directly.

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