Free HTML Formatter

HTML

Free HTML formatter and beautifier tool. Format HTML code online at no cost with proper indentation. No registration required. It runs in your browser, and your input stays on this device.

Back to HTML Formatter

Formatter example

Compare the exact input shape with the cleaned output before opening the editor.

Local preview

Before

input
<main><h1>Hello</h1><p>Private tools</p></main>

After

formatted
<main>
  <h1>Hello</h1>
  <p>Private tools</p>
</main>

Workflow

Use HTML without sending code.

Paste a snippet, run the action, review any highlighted issue, then copy the result back to your work.

Current language
HTML
Current action
HTML Formatter
  1. 01

    Start

    Paste a snippet or full file into the editor.

  2. 02

    Run

    Use Run HTML Formatter from the action bar.

  3. 03

    Review

    Fix syntax issues if processing stops.

  4. 04

    Move

    Use Copy code when the result is ready.

Files
.html, .htm
Paste a HTML snippet or a full source file.
Engine
web_fmt
Runs the browser-side formatter for readable output.
Privacy
Local run
The editor does not send pasted code to a formatting API.
Result
Readable output
Move the formatted code back to your editor.