Developer tool

HTML Formatter

Indent an HTML fragment for easier reading.

Private by designRuns in your browser
Ctrl / ⌘ + Enter to run
Your workspace Local processing

Formatting preserves your HTML, including scripts and external URLs. The tool displays it as text. Opening the downloaded HTML can execute its scripts; only open content you trust.

Saved settings
QUICK START

How to use HTML Formatter

  1. Enter the values or paste the content you want to process.
  2. Choose the available processing and output options.
  3. Run the tool, review the result, and use the copy or download option provided.
BEFORE YOU BEGIN

What to expect

Formatting preserves your HTML, including scripts and external URLs. The tool displays it as text. Opening the downloaded HTML can execute its scripts; only open content you trust.

Local processing

Your files and inputs are processed in your browser and are not uploaded. Download or copy results before leaving. Normal site and library requests still reach the hosting service.

WORKED EXAMPLE

Example input

<section><h1>Hello</h1><p>Welcome.</p></section>

Use “Try an example” to load this sample, adjust the available options, and inspect the result.

HELP & TROUBLESHOOTING

Frequently asked questions

What does HTML Formatter do?

Indent an HTML fragment for easier reading. Formatting preserves your HTML, including scripts and external URLs. The tool displays it as text. Opening the downloaded HTML can execute its scripts; only open content you trust.

Are my files or input sent to a server?

Your files are processed locally in your browser and are not uploaded. Text inputs and passwords also stay in the tool on your device. The hosting service still receives normal requests needed to serve the website.

Can I recover a result after closing the page?

Download or copy your result before closing or reloading. Optional local history stores tool names and activity counts, not your inputs, passwords, filenames, or results.