HTML Formatter
Format HTML markup.
🔒 您的資料會保留在瀏覽器中。
Quick answer: HTML formatting adds indentation and line breaks to messy or minified markup so the structure becomes easier to read, debug, and edit.
What is HTML Formatter?
Format HTML markup. DevToolsHub provides a focused, private workspace that works directly in modern browsers, helping developers format, decode, validate, or inspect content without uploading sensitive data.
How to use HTML Formatter
- Paste the HTML markup into the input box.
- Run the formatter to add consistent indentation and spacing.
- Copy the clean HTML into your project, template, or debug workflow.
When should you use it?
Clean scraped markup
Format HTML from API responses, templates, or site exports so you can review structure and edits more easily.
Review production templates
Beautify minified HTML before debugging layout issues or comparing generated markup across environments.
Features
- Free and available without registration
- Local browser processing for privacy
- Copy, paste, clear, examples, and downloads
- Responsive and keyboard-friendly interface
常見問題
How do I format HTML online?
Paste your markup into the tool, click Run Tool, and it will beautify the structure with indentation and clean line breaks.
What is HTML formatting used for?
It makes HTML easier to read, compare, and debug, especially when your code has been minified or compressed.
Can I format minified HTML without uploading it?
Yes. The tool runs locally in your browser so your markup stays private while it is formatted.