Online HTML Formatter, Beautifier & Validator
Paste, upload, or edit HTML directly in your browser—no sign-up or data upload. Format your HTML to be readable, clean, and error-free. This is the only privacy-first, instant, and 100% local HTML formatter you need.
Input
Output / Errors
Why Format Your HTML?
- Fixes unreadable or messy HTML code in seconds
- Highlights basic syntax errors or missing tags
- Improves debugging and teamwork for web developers
- Requires no signup or API, fully privacy-first
Features of HTML Formatter
- Instant formatting and pretty printing for HTML
- Validates and shows error location when possible
- Upload directly from your files—one-click download/output
- Works 100% offline in your browser