Format and beautify nested HTML structures to improve readability.
Absolutely. Your privacy is our highest priority. The HTML Formatter processes all data 100% securely within your web browser. None of your private files, code, or personal data are ever uploaded to external servers or cloud services.
Yes! OneClickly is built as an installable Progressive Web App (PWA). Once you visit the site, the HTML Formatter is fully cached and can be opened and used without any internet connection.
No, there are no limitations. You can use our HTML Formatter completely free of charge, with no file size caps, usage limits, or registration requirements.
It runs entirely using standard browser APIs and JavaScript, ensuring rapid execution directly on your device CPU with zero server dependencies.
OneClickly offers 100+ premium online tools for PDF operations, image compression and conversion, text utilities, calculators, and developer tools. All tools run 100% in your browser — no file uploads, no data collection, maximum privacy guaranteed.