HTML Formatter is a free, browser-based tool that lets developers instantly clean, format, and validate HTML code ā no login, no file uploads to a server, no fluff.
Everything runs 100% inside your browser ā your code never leaves your machine, making it safe for private, client, or proprietary markup.
ā¢ Formats & beautifies messy or minified HTML instantly
ā¢ Validates HTML structure before formatting
ā¢ Upload .html files or paste code directly
ā¢ No install, no login, completely free
