How to use HTML Beautifier Online
- Enter or paste your HTML into the input field to begin.
- Tune the Indent control before you format.
- The result is computed live in your browser as you edit the input.
- Use Copy to keep or reuse the result.
About this tool
HTML Beautifier Online runs entirely in your browser. HTML Beautifier Online handles your HTML on your device and shows the result right away.
Generated previews are escaped or sandboxed so pasted markup cannot affect the tool. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.
Frequently asked questions
What is HTML Beautifier Online for?
HTML Beautifier Online lets you format your input right in the browser using the Indent control, with the result shown instantly and nothing uploaded.
Does HTML Beautifier Online cost anything?
No — HTML Beautifier Online is completely free, with no sign-up and no hidden limits.
Does HTML Beautifier Online upload my data?
No — HTML Beautifier Online processes everything locally in your browser, so nothing you enter is uploaded or stored.
Will HTML Beautifier Online change my HTML structure?
HTML Beautifier Online only reformats or analyzes what you paste; the underlying structure of your HTML is preserved.
Does HTML Beautifier Online work on mobile?
Yes — HTML Beautifier Online is just a web page and runs on any modern browser, including phones and tablets.