How to use Format HTML Code Online
- Paste the HTML you need to format into the input box.
- Adjust the Indent option to match what you need.
- Format HTML Code Online updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Format HTML Code Online runs entirely in your browser. Format HTML Code Online works on HTML in your browser, transforming or previewing the markup you paste locally.
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 Format HTML Code Online for?
Use Format HTML Code Online to format your input without installing anything using the Indent control; everything happens client-side.
Is Format HTML Code Online free to use?
Yes — Format HTML Code Online is completely free, with no usage limits.
Where is my data processed by Format HTML Code Online?
Entirely in your browser — Format HTML Code Online keeps your data on your own machine and sends nothing anywhere.
Will Format HTML Code Online change my HTML structure?
Format HTML Code Online only reformats or analyzes what you paste; the underlying structure of your HTML is preserved.
Can I use Format HTML Code Online without a connection?
Yes — after the first load Format HTML Code Online runs entirely offline.