HTML Formatter - Online HTML Beautify & Minify
category.formatFree online HTML formatter supporting beautify and minify, with adjustable indent size and options to keep comments and blank lines.
TL;DR:Free online HTML formatter supporting beautify and minify, adjustable indent, keep comments and blank lines. Safely preserves script/style/pre content, runs locally in your browser.
FAQ
Completely free, no registration required. Beautify and minify HTML directly in your browser — all operations run locally with no usage limits.
Two modes are supported: beautify and minify. You can choose 2/4/8-space indentation and toggle whether to keep comments and blank lines.
Yes. Contents inside script, style, pre, textarea, and code tags are preserved verbatim — they are never incorrectly minified or reflowed.
No. All HTML parsing and formatting runs locally in your browser. Nothing is uploaded to any server, ensuring your data stays private.